7377-021 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

7377-021: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include document_title: APS-137 OTPS TEST PROGRAM AND TECHNICAL MANUALS, publication_media_type: ELECTRONIC, end_item_identification: APS137 HPD. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-213-8344, 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

7377-021

NSN: 5331-01-213-8344
NIINs: 012138344, 015230670
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)

SPECIFICATIONS

document_title	APS-137 OTPS TEST PROGRAM AND TECHNICAL MANUALS
publication_media_type	ELECTRONIC
end_item_identification	APS137 HPD
NSN	5331-01-213-8344

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN

•

OUTSIDE DIAMETER: 1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN

•

HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL

•

CENTER HOLE DIAMETER: 0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL HEIGHT	0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER	1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
HARDNESS RATING	75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER	0.920 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
END ITEM IDENTIFICATION	MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 9

AS021B46-70Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

4067-70-021Reference document

Same NSN cross-reference

Reference document — Secondary reference

8554-634Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

080-58532-23Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS28775-021Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PRP568-021-4067-70Reference 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 7377-021?

7377-021 is a O-RING.

What parts can replace 7377-021?

There are 9 known substitutes for 7377-021: AS021B46-70, 4067-70-021, 8554-634 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 7377-021?

7377-021 is cataloged in the U.S. Government catalog under NSN 5331-01-213-8344. This indicates validated use in U.S. government and defense supply chains.

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