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Technical Data Sheet
PartsTable / COMPONENT / 5123812
5123812 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND FIBER NONASBESTOS OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.328 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: NON-CIRCULAR, aperture_diameter: 0.844 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-390-4718, 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
5123812
NSN: 5330-01-390-4718
FSC: 5330
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND FIBER NONASBESTOS OVERALL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.328 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorNON-CIRCULAR
aperture_diameter0.844 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter1.688 INCHES NOMINAL IN
outside_corner_radius0.328 INCHES NOMINAL IN
end_item_identificationNSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM); HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-390-4718
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5123812 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
•
OUTSIDE CORNER RADIUS: 0.328 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.844 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT CIRCLE DIAMETER: 1.688 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 0.609 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE CORNER RADIUS0.328 INCHES NOMINAL IN
APERTURE DIAMETER0.844 INCHES NOMINAL IN
HOLE DIAMETER0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
BOLT CIRCLE DIAMETER1.688 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER0.609 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
OVERALL WIDTH2.328 INCHES NOMINAL IN
END ITEM IDENTIFICATIONNSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM); HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
25103Interchangeable
interchangeable cross-reference
interchangeable
4720545Interchangeable
interchangeable cross-reference
interchangeable
4S90823-101AInterchangeable
interchangeable cross-reference
interchangeable
T0765AInterchangeable
interchangeable cross-reference
interchangeable
5150054Interchangeable
interchangeable cross-reference
interchangeable
5310PL1748337Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5123812?
5123812 is a GASKET.
What parts can replace 5123812?
There are 21 known substitutes for 5123812: 25103, 4720545, 4S90823-101A and 18 more. Substitute compatibility should be verified for your specific system.
Is 5123812 still available?
5123812 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026