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MS9021-112 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9021-112: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 0.682 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN, center_hole_diameter: 0.482 INCHES MINIMUM AND 0.492 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 5331-00-582-7480, 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
MS9021-112
NSN: 5331-00-582-7480
NIINs: 005827480, 007332208
FSC: 5331 — O-ring
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter0.682 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
center_hole_diameter0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-582-7480
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9021-112 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
SUBSTITUTES & CROSS-REFERENCES 7
199055Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
182484Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS9021-112ESReference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS3578Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS3578-112Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-112 N506-65Reference 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 MS9021-112?
MS9021-112 is a O-RING.
What parts can replace MS9021-112?
There are 7 known substitutes for MS9021-112: 199055, 182484, MS9021-112ES and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9021-112?
MS9021-112 is cataloged in the U.S. Government catalog under NSN 5331-00-582-7480. This indicates validated use in U.S. government and defense supply chains.
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