2-021 NBR — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

2-021 NBR: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL, center_hole_diameter: 0.930 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-479-0599, 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

2-021 NBR

NSN: 5331-01-479-0599
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)

SPECIFICATIONS

material	RUBBER NATURAL
center_hole_diameter	0.930 INCHES NOMINAL IN
cross-sectional_height	0.070 INCHES NOMINAL IN
end_item_identification	FORWARD REPAIR SYSTEM MODEL M7 NSN 3990-01-463-4940; NSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM),3990-01-444-6174 BITUM DISTRIBUTOR; MRAP - M-ATV
NSN	5331-01-479-0599

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN

•

COLOR: BLACK

•

CENTER HOLE DIAMETER: 0.930 INCHES NOMINAL IN

•

MATERIAL: RUBBER NATURAL

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL HEIGHT	0.070 INCHES NOMINAL IN
COLOR	BLACK
CENTER HOLE DIAMETER	0.930 INCHES NOMINAL IN
END ITEM IDENTIFICATION	FORWARD REPAIR SYSTEM MODEL M7 NSN 3990-01-463-4940; NSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM),3990-01-444-6174 BITUM DISTRIBUTOR; MRAP - M-ATV
MATERIAL	RUBBER NATURAL

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 3

3541812Reference document

Same NSN cross-reference

Reference document — Secondary reference

2-021 N0552Reference document

Same NSN cross-reference

Reference document — Secondary reference

1HB220Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2-021 NBR?

2-021 NBR is a O-RING.

What parts can replace 2-021 NBR?

There are 3 known substitutes for 2-021 NBR: 3541812, 2-021 N0552, 1HB220. Substitute compatibility should be verified for your specific system.

What is the NSN for 2-021 NBR?

2-021 NBR is cataloged in the U.S. Government catalog under NSN 5331-01-479-0599. This indicates validated use in U.S. government and defense supply chains.

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