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031-055 — ENGINE,DIESEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

031-055: ENGINE,DIESEL.

The ENGINE,DIESEL is a the manufacturer industrial component. Key specifications include material: CORK AND RUBBER CHLOROPRENE CLASS CR OVERALL, overall_width: 9.438 INCHES NOMINAL IN, overall_length: 12.625 INCHES NOMINAL IN, cross-sectional_thickness: 0.248 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-328-6821, 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
031-055
NSN: 5330-00-328-6821
NIINs: 003286821, 012332478
FSC: 5330 — Packing and Gasket Materials
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialCORK AND RUBBER CHLOROPRENE CLASS CR OVERALL
overall_width9.438 INCHES NOMINAL IN
overall_length12.625 INCHES NOMINAL IN
cross-sectional_thickness0.248 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-328-6821
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 031-055 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 THICKNESS: 0.248 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: CORK AND RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.248 INCHES NOMINAL IN
OVERALL LENGTH12.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH9.438 INCHES NOMINAL IN
MATERIALCORK AND RUBBER CHLOROPRENE CLASS CR OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
H9689CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 031-055?
031-055 is a ENGINE,DIESEL.
What parts can replace 031-055?
There is 1 known substitute for 031-055: H9689C. Substitute compatibility should be verified for your specific system.
What is the NSN for 031-055?
031-055 is cataloged in the U.S. Government catalog under NSN 5330-00-328-6821. This indicates validated use in U.S. government and defense supply chains.
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