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661058B146 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

661058B146: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN, center_hole_diameter: 2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-291-3080, 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
661058B146
NSN: 5331-00-291-3080
FSC: 5331 — O-ring
CAGE: 20032 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
center_hole_diameter2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-291-3080
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 661058B146 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
C-69-146Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
457-60-146Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5331PL1856856Reference document
Same NSN cross-reference
Reference document — Informative reference only
D414-21-12-487 ITEM 11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10V60-141-146Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-146 N602-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 661058B146?
661058B146 is a O-RING.
What parts can replace 661058B146?
There are 9 known substitutes for 661058B146: C-69-146, 457-60-146, 5331PL1856856 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 661058B146?
661058B146 is cataloged in the U.S. Government catalog under NSN 5331-00-291-3080. This indicates validated use in U.S. government and defense supply chains.
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