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Technical Data Sheet
5M00028639 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,NUT AND BOLT HEA. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-541-3069, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5M00028639
NSN: 5340-01-541-3069
FSC: 5340
CAGE: F9059 — ARQUUS EX AUVERLAND (FRA)
SPECIFICATIONS
Part Number5M00028639
NSN5340-01-541-3069
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5M00028639 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
250708Interchangeable
interchangeable cross-reference
interchangeable
S-507-S-508Interchangeable
interchangeable cross-reference
interchangeable
80168Interchangeable
interchangeable cross-reference
interchangeable
10-306858-03SInterchangeable
interchangeable cross-reference
interchangeable
TR50Interchangeable
interchangeable cross-reference
interchangeable
723278Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5M00028639?
5M00028639 is a CAP,PROTECTIVE,NUT AND BOLT HEA.
What parts can replace 5M00028639?
There are 8 known substitutes for 5M00028639: 250708, S-507-S-508, 80168 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5M00028639?
5M00028639 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-541-3069. This indicates validated use in U.S. government and defense supply chains.
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