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Technical Data Sheet
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9250B — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9250B: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-298-8125, 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
9250B
NSN: 5331-01-298-8125
NIINs: 012988125, 015777679
FSC: 5331 — O-ring
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
Part Number9250B
NSN5331-01-298-8125
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9250B 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.284 INCHES MINIMUM AND 1.308 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.284 INCHES MINIMUM AND 1.308 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 3
2-219-1000-70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-219N1000-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
20A11CM219Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9250B?
9250B is a O-RING.
What parts can replace 9250B?
There are 3 known substitutes for 9250B: 2-219-1000-70, 2-219N1000-70, 20A11CM219. Substitute compatibility should be verified for your specific system.
What is the NSN for 9250B?
9250B is cataloged in the U.S. Government catalog under NSN 5331-01-298-8125. This indicates validated use in U.S. government and defense supply chains.
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