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Technical Data Sheet
PartsTable / COMPONENT / 1542816
1542816 ✓ 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: PAPER AND GLUE OVERALL, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.125 INCHES NOMINAL IN, overall_length: 3.125 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-528-2807, 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
1542816
NSN: 5330-00-528-2807
FSC: 5330
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.125 INCHES NOMINAL IN
overall_length3.125 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.500 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.312 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.312 INCHES NOMINAL IN
NSN5330-00-528-2807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1542816 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 2.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.312 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.312 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER2.500 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.312 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.312 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.312 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4276-36PC9Interchangeable
interchangeable cross-reference
interchangeable
576-4900-1505024PC9Interchangeable
interchangeable cross-reference
interchangeable
25259Interchangeable
interchangeable cross-reference
interchangeable
25261Interchangeable
interchangeable cross-reference
interchangeable
121-122-0001Interchangeable
interchangeable cross-reference
interchangeable
121-122Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1542816?
1542816 is a GASKET.
What parts can replace 1542816?
There are 10 known substitutes for 1542816: 4276-36PC9, 576-4900-1505024PC9, 25259 and 7 more. Substitute compatibility should be verified for your specific system.
Is 1542816 still available?
1542816 is currently cancelled.
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Last verified: July 2026