Quote in 15 min·24/7 × 365AS9120:2025 · ISO 9001:2015 · FAA AC 00-56B
NSN 5331-01-256-0427CAGE Z0K15

04521-020

O Ring

O Ring ASAP can help source this line with documentation review, alternate part checks, condition requirements, and account manager follow-up for urgent or planned procurement.

Defence Liaison Services Pty Ltd
Manufacturer
USA
Origin
N/A
Spec
N/A
Unit weight
Detailed description

Technical sourcing notes

N/A
Lead time
N/A
Cross references
Unrestricted
Export control
5331 O Ring
FSC
Why ASAP

Operations-grade aviation sourcing.

AS9120B
Quality-managed distribution
15 min
Average RFQ response, 24/7
Full trace
Documentation & certs on request
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Request a quote for 04521-020

Send this part to ASAP with quantity, need-by timing, and buyer contact details. An account manager will review availability, alternates, certificates, and delivery options.

Part-specific RFQ

Submit RFQ for 04521-020

Send this part to ASAP with quantity, need-by timing, and buyer contact details. A dedicated account manager reviews availability, alternates, certificates, and delivery options.

O Ring04521-020
NSN5331-01-256-0427
Manufacturer
Defence Liaison Services Pty Ltd
CAGE
Z0K15
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NSN Information for Part Number 04521-020 with NSN 5331-01-256-0427, 5331012560427

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5331012560427

Item PartTypeName:

O-RING

53310125604270N
CIICHCCESDPMICCriticalityENAC
UA
Part NumberISCRNVCRNCCHCCMSDSSADC
52-D-6012-8525

Characteristics Data of NSN 5331-01-256-0427, 5331012560427

MRCCriteriaCharacteristic
ADVNCROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
ADYTCENTER HOLE DIAMETER2.589 INCHES MINIMUM AND 2.629 INCHES MAXIMUM