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Technical Data Sheet
PartsTable / COMPONENT / 383940
383940 ✓ 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: CELLULOSE OVERALL, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.625 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.750 INCHES NOMINAL IN, bolt_circle_diameter: 3.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-270-8470, 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
383940
NSN: 5330-00-270-8470
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCELLULOSE OVERALL
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter4.625 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.750 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter3.875 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-270-8470
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 383940 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
•
WIDTH: 36.000 INCHES NOMINAL IN
•
THICKNESS: 0.056 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
MATERIAL: PAPER AND GLUE AND GLYCERIN LOCATION NOT OTHERWISE SPECIFIED
•
FIBER TYPE: ANIMAL OR PLANT
•
ENVIRONMENTAL PROTECTION: GASOLINE AND OIL RESISTANT AND WATER RESISTANT
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A CLASS
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH36.000 INCHES NOMINAL IN
THICKNESS0.056 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
MATERIALPAPER AND GLUE AND GLYCERIN LOCATION NOT OTHERWISE SPECIFIED
FIBER TYPEANIMAL OR PLANT
ENVIRONMENTAL PROTECTIONGASOLINE AND OIL RESISTANT AND WATER RESISTANT
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
44SR11Interchangeable
interchangeable cross-reference
interchangeable
540005Interchangeable
interchangeable cross-reference
interchangeable
MS51382-5Interchangeable
interchangeable cross-reference
interchangeable
23751Interchangeable
interchangeable cross-reference
interchangeable
L5726Interchangeable
interchangeable cross-reference
interchangeable
858198Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 383940?
383940 is a GASKET.
What parts can replace 383940?
There are 32 known substitutes for 383940: 44SR11, 540005, MS51382-5 and 29 more. Substitute compatibility should be verified for your specific system.
Is 383940 still available?
383940 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