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Technical Data Sheet

B038143 — Technical Data Sheet

✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, cross-sectional_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-235-1676, 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
B038143
NSN: 5331-00-235-1676
FSC: 5331 — O-RING
CAGE: 27965 — PARISI ASSOCIATES LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.250 INCHES NOMINAL IN
NSN5331-00-235-1676
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B038143 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: 0.250 INCHES NOMINAL IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
AS28775 P/N MS28775-259Interchangeable
interchangeable cross-reference
interchangeable
PRP568-259-4067-70Interchangeable
interchangeable cross-reference
interchangeable
MS28775-259Interchangeable
interchangeable cross-reference
interchangeable
2302004Interchangeable
Same NIIN cross-reference
interchangeable
43994ALT11PCL3Interchangeable
Same NIIN cross-reference
interchangeable
PS1-30-5-68Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B038143?
B038143 is a O-RING.
What parts can replace B038143?
There are 19 known substitutes for B038143: AS28775 P/N MS28775-259, PRP568-259-4067-70, MS28775-259 and 16 more. Substitute compatibility should be verified for your specific system.
Is B038143 still available?
B038143 is currently cancelled.
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