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1A76243 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1A76243: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK AND GLUE OVERALL, overall_width: 7.500 INCHES NOMINAL IN, aperture_width: 6.625 INCHES NOMINAL IN, overall_length: 19.562 INCHES NOMINAL IN, aperture_length: 18.562 INCHES NOMINAL IN, inside_corner_radius: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-367-4616, 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
1A76243
NSN: 5330-00-367-4616
FSC: 5330 — Packing and Gasket Materials
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialCORK AND GLUE OVERALL
overall_width7.500 INCHES NOMINAL IN
aperture_width6.625 INCHES NOMINAL IN
overall_length19.562 INCHES NOMINAL IN
aperture_length18.562 INCHES NOMINAL IN
inside_corner_radius1.500 INCHES NOMINAL IN
outside_corner_radius2.000 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+2117B MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-367-4616
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1A76243 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: 0.125 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 1.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+2117B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 6.625 INCHES NOMINAL IN
•
APERTURE LENGTH: 18.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
INSIDE CORNER RADIUS1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+2117B MIL SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH19.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH7.500 INCHES NOMINAL IN
APERTURE WIDTH6.625 INCHES NOMINAL IN
APERTURE LENGTH18.562 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS2.000 INCHES NOMINAL IN
MATERIALCORK AND GLUE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
38512Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1A76243?
1A76243 is a GASKET.
What parts can replace 1A76243?
There is 1 known substitute for 1A76243: 38512. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A76243?
1A76243 is cataloged in the U.S. Government catalog under NSN 5330-00-367-4616. 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.