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Technical Data Sheet
PartsTable / COMPONENT / 12A6142
12A6142 ✓ 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 AND GLYCERIN OVERALL, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.250 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.875 INCHES NOMINAL IN, bolt_circle_diameter: 3.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-251-3229, 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
12A6142
NSN: 5330-00-251-3229
FSC: 5330
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.250 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.875 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter3.250 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center1.375 INCHES NOMINAL IN
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-251-3229
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12A6142 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
APERTURE DIAMETER: 1.875 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: PAPER AND GLUE AND GLYCERIN OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
APERTURE DIAMETER1.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
STYLE DESIGNATORNON-CIRCULAR
BOLT CIRCLE DIAMETER3.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
24306-001Interchangeable
interchangeable cross-reference
interchangeable
24306Interchangeable
interchangeable cross-reference
interchangeable
24306-000Interchangeable
interchangeable cross-reference
interchangeable
C5044Interchangeable
interchangeable cross-reference
interchangeable
62713GInterchangeable
interchangeable cross-reference
interchangeable
62713DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12A6142?
12A6142 is a GASKET.
What parts can replace 12A6142?
There are 28 known substitutes for 12A6142: 24306-001, 24306, 24306-000 and 25 more. Substitute compatibility should be verified for your specific system.
Is 12A6142 still available?
12A6142 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