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MS9021-002 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9021-002: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, peripheral_diameter: 0.142 INCHES NOMINAL IN, center_hole_diameter: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM, cross-sectional_height: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, specification/standard_data: 96906-MS9021-002 GOVERNMENT STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-346-6177, 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
MS9021-002
NSN: 5331-01-346-6177
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
peripheral_diameter0.142 INCHES NOMINAL IN
center_hole_diameter0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
elongation_percentage200 MAXIMUM
cross-sectional_height0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
specification/standard_data96906-MS9021-002 GOVERNMENT STANDARD
NSN5331-01-346-6177
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9021-002 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
•
CROSS-SECTIONAL HEIGHT: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 200 MAXIMUM
•
SPECIFICATION/STANDARD DATA: 96906-MS9021-002 GOVERNMENT STANDARD
•
PERIPHERAL DIAMETER: 0.142 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
ELONGATION PERCENTAGE200 MAXIMUM
SPECIFICATION/STANDARD DATA96906-MS9021-002 GOVERNMENT STANDARD
PERIPHERAL DIAMETER0.142 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 6
AS3578-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS3578-002(N05062-002)Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10138288Reference document
Same NSN cross-reference
Reference document — Informative reference only
PWA55536-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SAE-AS3578Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5330PL0673239Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9021-002?
MS9021-002 is a O-RING.
What parts can replace MS9021-002?
There are 6 known substitutes for MS9021-002: AS3578-002, AS3578-002(N05062-002), 10138288 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9021-002?
MS9021-002 is cataloged in the U.S. Government catalog under NSN 5331-01-346-6177. This indicates validated use in U.S. government and defense supply chains.
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