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853-8312 — COOLER,LUBRICATING OIL,ENGINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

853-8312: COOLER,LUBRICATING OIL,ENGINE.

The COOLER,LUBRICATING OIL,ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: GAS TURBINE ENGINE MOD 250-C 20B. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-984-6807, 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
853-8312
NSN: 5331-00-984-6807
NIINs: 009846807, 013304603
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
end_item_identificationGAS TURBINE ENGINE MOD 250-C 20B
NSN5331-00-984-6807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 853-8312 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
•
OUTSIDE DIAMETER: 5.387 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 5.086 INCHES MINIMUM AND 5.132 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.387 INCHES NOMINAL IN
CENTER HOLE DIAMETER5.086 INCHES MINIMUM AND 5.132 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 2
8533630Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS568-251Reference 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 853-8312?
853-8312 is a COOLER,LUBRICATING OIL,ENGINE.
What parts can replace 853-8312?
There are 2 known substitutes for 853-8312: 8533630, AS568-251. Substitute compatibility should be verified for your specific system.
What is the NSN for 853-8312?
853-8312 is cataloged in the U.S. Government catalog under NSN 5331-00-984-6807. 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.