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MS9021-012ES — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9021-012ES: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, center_hole_diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-582-7476, 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
MS9021-012ES
NSN: 5331-00-582-7476
FSC: 5331 — O-ring
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A NOMINAL
outside_diameter0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
center_hole_diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-582-7476
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9021-012ES 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
•
TEMP RATING: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 6
5331005827476Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-012 N506-65Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS9021-012Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
30-96501-0043Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS3578-012Reference document
Same NSN cross-reference
Reference document — Secondary reference
10129571Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9021-012ES?
MS9021-012ES is a O-RING.
What parts can replace MS9021-012ES?
There are 6 known substitutes for MS9021-012ES: 5331005827476, 2-012 N506-65, MS9021-012 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9021-012ES?
MS9021-012ES is cataloged in the U.S. Government catalog under NSN 5331-00-582-7476. This indicates validated use in U.S. government and defense supply chains.
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