PartsTable
Technical Data Sheet
PartsTable / O-RING / 278.75X6.98 41B8
278.75X6.98 41B8 ✓ 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

The 278.75X6.98 41B8 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-123-5662, 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
278.75X6.98 41B8
NSN: 5331-01-123-5662
FSC: 5331 — O-RING
CAGE: F8226 — STACEM (FRA)
SPECIFICATIONS
Part Number278.75X6.98 41B8
NSN5331-01-123-5662
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 278.75X6.98 41B8 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 15
1298023-16Interchangeable
interchangeable cross-reference
interchangeable
1298023Interchangeable
interchangeable cross-reference
interchangeable
1298023-10Interchangeable
interchangeable cross-reference
interchangeable
1298023-4Interchangeable
interchangeable cross-reference
interchangeable
2-016 E0540-80 1W2BInterchangeable
interchangeable cross-reference
interchangeable
1298023-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 278.75X6.98 41B8?
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 278.75X6.98 41B8?
278.75X6.98 41B8 is a 278.75X6.98 41B8.
What parts can replace 278.75X6.98 41B8?
There are 15 known substitutes for 278.75X6.98 41B8: 1298023-16, 1298023, 1298023-10 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 278.75X6.98 41B8?
278.75X6.98 41B8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-123-5662. 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 — 278.75X6.98 41B8

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026