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PartsTable / COMPONENT / D42912
D42912 ✓ 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: CORK AND RUBBER SYNTHETIC OVERALL, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.312 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-813-4751, 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
D42912
NSN: 5330-00-813-4751
FSC: 5330
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
materialCORK AND RUBBER SYNTHETIC OVERALL
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter0.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.312 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-813-4751
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D42912 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
•
MATERIAL: CORK AND RUBBER SYNTHETIC OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
APERTURE DIAMETER: 0.312 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCORK AND RUBBER SYNTHETIC OVERALL
STYLE DESIGNATORCIRCULAR
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
APERTURE DIAMETER0.312 INCHES NOMINAL IN
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
6109Interchangeable
interchangeable cross-reference
interchangeable
70-1174Interchangeable
interchangeable cross-reference
interchangeable
42912Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-383Interchangeable
interchangeable cross-reference
interchangeable
10HA1C1F1J3LBBWWN3R1V17 AUTO TE-Interchangeable
interchangeable cross-reference
interchangeable
36295Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D42912?
D42912 is a GASKET.
What parts can replace D42912?
There are 10 known substitutes for D42912: 6109, 70-1174, 42912 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D42912?
D42912 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-813-4751. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026