PartsTable
Technical Data Sheet
723278 ✓ 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
723278
NSN: 5340-01-541-3069
FSC: 5340
CAGE: F0016 — ARQUUS (EX PANHARD GENERAL DEFENSE) (FRA)
SPECIFICATIONS
Part Number723278
NSN5340-01-541-3069
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 723278 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
5M00028639Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 723278?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 723278?
723278 is a CAP,PROTECTIVE,NUT AND BOLT HEA.
What parts can replace 723278?
There are 8 known substitutes for 723278: 250708, S-507-S-508, 80168 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 723278?
723278 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.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 723278