MS9021-237 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

MS9021-237: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN, center_hole_diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-901-2669, 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

MS9021-237

NSN: 5331-00-901-2669
FSC: 5331 — O-ring
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating	65.0 SHORE DUROMETER A NOMINAL
outside_diameter	3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN
center_hole_diameter	3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
cross-sectional_height	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN	5331-00-901-2669

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN

•

OUTSIDE DIAMETER: 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN

•

HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL

•

CENTER HOLE DIAMETER: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL HEIGHT	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER	3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN
HARDNESS RATING	65.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER	3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 9

20A11EM237Reference document

Same NSN cross-reference

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

5331PL1384883Reference document

Same NSN cross-reference

Reference document — Informative reference only

081369-9Reference document

Same NSN cross-reference

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

SAE-AS3578Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

318S15Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS3578-237Reference 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 MS9021-237?

MS9021-237 is a O-RING.

What parts can replace MS9021-237?

There are 9 known substitutes for MS9021-237: 20A11EM237, 5331PL1384883, 081369-9 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS9021-237?

MS9021-237 is cataloged in the U.S. Government catalog under NSN 5331-00-901-2669. This indicates validated use in U.S. government and defense supply chains.

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MS9021-237 — O-RING

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