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Technical Data Sheet
PartsTable / O-RING / 287-1166P105
287-1166P105 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN, center_hole_diameter: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-531-2230, 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
287-1166P105
NSN: 5331-00-531-2230
FSC: 5331 — O-RING
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating65.0 SHORE DUROMETER A NOMINAL
outside_diameter1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN
center_hole_diameter1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-531-2230
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 287-1166P105 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
•
OUTSIDE DIAMETER: 1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.492 INCHES MINIMUM AND 1.532 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
AS568-027Interchangeable
interchangeable cross-reference
interchangeable
AMS7271Interchangeable
interchangeable cross-reference
interchangeable
KB16209Interchangeable
interchangeable cross-reference
interchangeable
6864665Interchangeable
interchangeable cross-reference
interchangeable
2-230 N506-65Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3578Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 287-1166P105?
287-1166P105 is a O-RING.
What parts can replace 287-1166P105?
There are 27 known substitutes for 287-1166P105: AS568-027, AMS7271, KB16209 and 24 more. Substitute compatibility should be verified for your specific system.
Is 287-1166P105 still available?
287-1166P105 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026