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HR166-282 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HR166-282: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -10.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, construction: SOLID, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.137 INCHES NOMINAL IN, style_designator: CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-599-2180, 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
HR166-282
NSN: 5331-00-599-2180
NIINs: 005992180, 006470899, 007360288, 007539712, 008157994
FSC: 5331 — O-ring
CAGE: 70061 — LYDALL INC ELASTOMER PRODUCTS GROUP (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-10.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
constructionSOLID
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter3.137 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter10.999 INCHES MINIMUM AND 11.221 INCHES MAXIMUM IN
fabrication_methodSOLID
center_hole_diameter0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
cross-sectional_width0.261 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-599-2180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HR166-282 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.137 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.137 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 7
A512-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
6761626Reference document
Same NSN cross-reference
Reference document — Secondary reference
7374386Reference document
Same NSN cross-reference
Reference document — Secondary reference
A1716Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2930-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-233 AA150-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HR166-282?
HR166-282 is a O-RING.
What parts can replace HR166-282?
There are 7 known substitutes for HR166-282: A512-7, 6761626, 7374386 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HR166-282?
HR166-282 is cataloged in the U.S. Government catalog under NSN 5331-00-599-2180. This indicates validated use in U.S. government and defense supply chains.
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