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938274021U01 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

938274021U01: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.984 INCHES MINIMUM AND 2.026 INCHES MAXIMUM IN, center_hole_diameter: 1.789 INCHES MINIMUM AND 1.809 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 5331-00-832-9513, 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
938274021U01
NSN: 5331-00-832-9513
FSC: 5331 — O-ring
CAGE: 0VP52 — FINCANTIERI MARINE SYSTEMS NORTH AMERICA, INC. DBA FINCANTIERI MARINE SYSTEMS NORTH AM (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.984 INCHES MINIMUM AND 2.026 INCHES MAXIMUM IN
center_hole_diameter1.789 INCHES MINIMUM AND 1.809 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-832-9513
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 938274021U01 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.984 INCHES MINIMUM AND 2.026 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.789 INCHES MINIMUM AND 1.809 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.984 INCHES MINIMUM AND 2.026 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.789 INCHES MINIMUM AND 1.809 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
2-133N219-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M83461/1-133Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-133 N674-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
B 2575.107.126Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
P40407Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-237N219-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 938274021U01?
938274021U01 is a O-RING.
What parts can replace 938274021U01?
There are 8 known substitutes for 938274021U01: 2-133N219-7, M83461/1-133, 2-133 N674-7 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 938274021U01?
938274021U01 is cataloged in the U.S. Government catalog under NSN 5331-00-832-9513. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.