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AFB5877A — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AFB5877A: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-198-6191, 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
AFB5877A
NSN: 5331-00-198-6191
FSC: 5331 — O-ring
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.250 INCHES NOMINAL IN
NSN5331-00-198-6191
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AFB5877A 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 9
21SAF10B2115CPC22Reference document
Same NSN cross-reference
Reference document — Secondary reference
9AF9B2115CPC22Reference document
Same NSN cross-reference
Reference document — Secondary reference
MAF10B2115APC22Reference document
Same NSN cross-reference
Reference document — Secondary reference
15AF9B2115APC22Reference document
Same NSN cross-reference
Reference document — Secondary reference
16AFA2115APC22Reference document
Same NSN cross-reference
Reference document — Secondary reference
13AF10B2115APC22Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AFB5877A?
AFB5877A is a O-RING.
What parts can replace AFB5877A?
There are 9 known substitutes for AFB5877A: 21SAF10B2115CPC22, 9AF9B2115CPC22, MAF10B2115APC22 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AFB5877A?
AFB5877A is cataloged in the U.S. Government catalog under NSN 5331-00-198-6191. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.