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287-1166P132 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

287-1166P132: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -40.0 CELSIUS AND 85.0 CELSIUS DEGC, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 4.375 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-985-3574, 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
287-1166P132
NSN: 5331-00-985-3574
FSC: 5331 — O-ring
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-40.0 CELSIUS AND 85.0 CELSIUS DEGC
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter4.375 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-985-3574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 287-1166P132 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
•
TEMP RATING: -40.0 CELSIUS AND 85.0 CELSIUS DEGC
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 4.375 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 CELSIUS AND 85.0 CELSIUS DEGC
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
COLORBLACK
CENTER HOLE DIAMETER4.375 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 287-1166P132?
287-1166P132 is a O-RING.
What is the NSN for 287-1166P132?
287-1166P132 is cataloged in the U.S. Government catalog under NSN 5331-00-985-3574. 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.