Instant RFQ

Guaranteed quotes back within 15 minutes, 24/7 x 365

Top Featured Parts


Aviation Fastener and Hardware Component Sourcing

Browse Fasteners by All Types

View All

Aircraft Fasteners Catalog

A fastener is a piece of hardware that secures or closes parts together, without creating a permanent joint like welding. Ropes and hinges can technically fall under this definition but are not called fasteners because of their various applications. Fasteners are specific items that form rigid, inflexible connections.

Fasteners are typically composed of steel (carbon, stainless, and alloy), aluminum, and titanium. They also often have coatings of black oxidizing, cadmium, zinc, chromium, silver, nickel, and cadmium to prevent corrosion and increase the lifespan of the fastener.

At NSN Parts Now, owned and operated by ASAP Semiconductor, we supply fasteners from some of the best manufacturers in the world, including Southco Inc, Arconic, Eaton, PCC Fasteners, and Monogram.

Traceability and Standards

Fasteners are used in almost every manufactured product, from military jets to children’s toys. However, the various types of fasteners differ in terms of quality and standards. High-stress and high-risk environments require higher standards for design, materials, composition, and safety standards. The automotive, marine, and aerospace industries all have higher standards for fasteners due to the demands of their operating environments.

Hardware components are commonly traded items. Because of this and their numerous uses, there are uniform standards placed upon them. The American Society of Mechanical Engineers (ASME) has instituted standards that define types of fasteners, along with their dimensions and the materials that should be used to produce them. The military also has its own set of standards that are applied to fasteners used its vehicles and equipment. Military standards require traceability, an important resource for guaranteeing safety and conformity.

Types

Fastener categories include bolts, buckles, clamps, clips, pins, flanges, grommets, latches, pegs, nuts, rivets, screws, studs, threaded fasteners, ties, washers, and zippers.

Drive types include: Phillips and Frearson, combination, socket, one way, square, and star.

Washer types include: flat, fender, split lock, internal tooth lock, dock, and ogee.

Nut types include: hex, nylon insert lock, jam, wing, flange, square, coupling, slotted, castle, and pin lock.

Anchoring products include: stud anchors, lag shields, machine screw anchors, double expansion sleeves, concrete screws, plastic toggle, self-drilling drywall anchors, hollow wall anchors, and anchor bolts.

Automotive Fasteners

The automotive industry uses many different types of fasteners, but the most common are bolts, nuts, and studs fastener. They vary primarily by minimum tensile strength and minimum yield strength. They are ranked on a graded system set by the Society of Automotive Engineers.

Automotive Bolts: Also called threaded fasteners, these components are used in high tensile applications that need a rigid, strong attachment. Bolts are headed, with a threaded blunt end. Compared to other fasteners, bolts have a longer grip length, and a shorter threaded portion for the attachment of a nut. Common bolts are U-bolts, hub bolts, and wheel bolts.

Automotive Nuts: Automotive nuts are square or hex shaped, with a threaded circle in the center. They are used to fasten and secure bolts in place. Their grade must match or be higher than the paired bolt. Automotive nuts are used in many functions but can be used in more complex applications where a t-nut, locking nut, and collar nut may be used.

Automotive Studs: Automotive studs are threaded on both ends and have an unthreaded middle section and are secured to materials using nut screws. Studs are made from numerous materials, including bronze, copper, brass, or plastic. Studs are commonly used in the build of an automotive engine, to secure the gasket head and cylinders, or situations that need a higher stress tolerance than what bolts are capable of providing.

Marine Fasteners

The greatest challenge for fasteners used in marine applications is the corrosive threat posed by saltwater. The higher presence of wood materials also means that galvanic corrosion and crevice corrosion are common issues. Marine fasteners are sorted by their materials and intended use.

Stainless Steel: most marine fasteners are made from stainless steel. Stainless steel offers the optimal strength and rigidity for marine applications and is highly resistant to corrosion. CRES Series Steel 18-8, 304, and 316 are used in the marine industry, and 316 offers the highest corrosion resistance.

Hot Dipped Galvanized Fasteners: Some fasteners undergo a process where they are dipped in a layer of zinc, creating a bonded alloy. Fasteners that undergo this process have greater tensile strength and are more resistant to corrosion than standard stainless steel. Zinc-plated steel is considered to be the best choice for engine applications. Fasteners of this type are also used in functions with higher loads, such as the shaft coupler.

Silicon Bronze: Silicon bronze is made from copper, with silicon and corrosion-resistant alloys like zinc. Silicon bronze fasteners are used in components that frequently contact water, applications below the waterline, and wooden vessel construction. Silicon bronze is very resistant to corrosion from chemicals and operates well in the absence of oxygen. It is also far less likely to galvanize other metals it is secured to.

Aerospace Fasteners

Fasteners used in the aerospace industry are similar in function and appearance to fasteners used in other industries, but differ significantly in terms of material, weight, and quality. Aerospace fasteners operate in environments that bring risks of corrosion, extreme stress and loads, high pressures, and exposure to extreme temperatures. This requires aerospace fasteners to have higher standards for design, manufacturing, and choice of materials.

Aluminum: Aluminum is a popular choice for making fasteners in aircraft, but not spacecraft, because it requires extra treatment before it is ready for spacecraft. Aluminum must be cold-formed, is vulnerable to corrosion caused by stress, and is not optimal if expected temperatures will exceed 350 degrees Fahrenheit.

Steel: Steel is strong, but heavy, which is a recurring problem for aircraft components. Stainless steel and alloys are the most common types of steel used in the aerospace industry. CRES Steel Series 300 is most often used for screws and bolts. It is sensitive to higher temperatures, but resistant to corrosion. Series 400 is more vulnerable to rust but has higher heat resistance. Alloy steels are durable, but vulnerable to corrosion.

Superalloys: Superalloys are often used in aerospace because they are strong, versatile, and can withstand extreme temperatures. Superalloys include H-11, Hastelloy, Monel, K-Monel, Haynes, A286, MP35N, and MP159. Choosing the right superalloy depends on the stresses the fastener will be exposed to.

Titanium: Titanium is as strong as steel, and lighter as well.

key cowl fastener eyelet fastener fastener holddown fastener bead chain
fastener trim ribbe fastener assembly eyelet turnlock fastener fastener stud gromm
fastener kit fastener push on guide fastener blind fastener
fastener set hinge fastener grommet fastener filter fastener lift chain
fastener structural fastener aircraft clip fastener weight and fastener
fastener windshield fastener fastener assy cowl plug fastener
plug panel fastener high lock fastener base plate lining fastener fastener lock star
fastener half slide fastener conveyor b fastener button car post snap fastener
fastener panel adapter fastener re chain fastener angl angle fastener supp
fastener turn lock chuck fastener inst cowling fastener na slide half fastener
shim fastener fastener channel gl fastener clamp kit cup cowl fastener
fastener pad suppor fastener spring fastener assembly s fastener self locki
pawl fastener fastener assy panel fastener assembly turnlock pin fastener spec
fastener blind fastener tape fastener belt conve stud turnlock fastener
bracket fastener spring and fastener fastener panel soun nut fastener
fastener container gage fastener protr driver fastener sle fastener casement
screw fastener velcro fastener panel fastener assy fastener barrel
fastener coil tool fastener insta fastener positive l post snapslide fastener
fastener edge latch fastener threaded hole liner fastener fastener key
fastener hook hood fastener self lock blade fastener fastener stud
fastener drag parac fastener part catch fastener stud cell fastener
fastener slide inte slide fastener bolt fastener assy panel fastener
insert panel fastener receptacle fastener fastener assembly t nrp fastener c277
fastener hi lock wedge fastener fastener attachment screw panel fastener
fastener parachute fastener stud aircr gage fastener grip bolt fastener proct
fastener assy capti fastener special plate fastener fastener instrument
fastener blade comp fastener spring tension trim latch fastener fastener clip
fastener trim panel fastener rake hoe a fastener tape hook fastener pin grip
fastener cylinder s socket push button fastener fastener pan retainer fastener a
fastener captive ai sleeve fastener pin fastener fastener lift
fastener angle sash fastener fastener cushion fastener retainer
fastener plate fastener spring ten fastener wing head fastener molded
receptacle turnlock fastener washer panel fastener screw fastener nozzle fastener latch
fastener airframe fastener loop fastener mechanical fastener tape pile
fastener sleevebolt fastener sleeve fastener cam action fastener gp
fastener afterbody fastener flare lock fastener panel pott fastener slide
cap snap fastener fastener plate lany fastener nylon spring fastener
fastener lock handle fastener stud insulation fastener retainer panel fastener
rod rotor fastener tool set fastener i fastener sleeve bol fastener pushbutton
insert fastener fastener kit inspec fastener clevis lin fastener snapslide
fastener expando gr fastener wire rope fastener cover acce stud fastener
curtain fastener ki grommet fastener hi lok fastener fastener plate guid
turnlock fastener mandrel fastener in fastener housing as fastener gate stay
fastener rubber lockspring turnlock fastener fastener retractabl nrp panel fastener
stud snap fastener fastener sea water fastener floorplate fastener baffle
stop interlocking slide fastener fastener panel asse fastener panel capt fastener hi lok
fastener snap pawl fastener assy fastener vertical b pin fastener brake
slide fastener fastener thru bolt fastener assembly c stud lock pin fastener
fastener mounting fastener block fastener pin fastener cylinder
tool fastener fastener door retai belt fastener plate power unit fastener
Quality guaranteed We sell only warrantied and traceable parts
Find it fast Search the world's largest inventory of electronic components by manufacturer, category or part number
Low Price Warrantied inventory at competitive prices
Get it fast All inventory ready to ship from our sellers
Semiconductor's Certifications and Memberships

Thanks for Visiting!

Before You Leave, Consider Taking a Look at Our NSN Parts Catalog. Don’t forget That We Can offer Same-Day Shipping On Most of Our Inventory!

Request for Quote