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6D40-1421 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6D40-1421: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC ARAMID AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.375 INCHES NOMINAL IN, special_features: ITEM CONTAINS NON ASBESTOS MATERIAL;PKG OF 12, style_designator: NON-CIRCULAR, aperture_diameter: 0.989 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-377-1604, 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
6D40-1421
NSN: 5330-01-377-1604
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialPLASTIC ARAMID AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.375 INCHES NOMINAL IN
special_featuresITEM CONTAINS NON ASBESTOS MATERIAL;PKG OF 12
style_designatorNON-CIRCULAR
aperture_diameter0.989 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter1.625 INCHES NOMINAL IN
outside_corner_radius0.375 INCHES NOMINAL IN
end_item_identification4110-01-389-9181;REFRIGERATION UNIT,MECHANICAL
cross-sectional_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-377-1604
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6D40-1421 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: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
SIDE RADIUS FROM GASKET CENTER: 1.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.989 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
BOLT CIRCLE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
SIDE RADIUS FROM GASKET CENTER1.188 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.375 INCHES NOMINAL IN
APERTURE DIAMETER0.989 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER1.625 INCHES NOMINAL IN
SPECIAL FEATURESITEM CONTAINS NON ASBESTOS MATERIAL;PKG OF 12
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
SUBSTITUTES & CROSS-REFERENCES 3
6D23-1421Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
62-10404-00 PG13 ITEM 157Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
17-21003-00Same 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 6D40-1421?
6D40-1421 is a GASKET.
What parts can replace 6D40-1421?
There are 3 known substitutes for 6D40-1421: 6D23-1421, 62-10404-00 PG13 ITEM 157, 17-21003-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 6D40-1421?
6D40-1421 is cataloged in the U.S. Government catalog under NSN 5330-01-377-1604. 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.