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Technical Data Sheet
PartsTable / COMPONENT / 381405
381405 ✓ 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 OVERALL, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.625 INCHES NOMINAL IN, overall_length: 3.625 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-832-7848, 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
381405
NSN: 5330-00-832-7848
FSC: 5330
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.625 INCHES NOMINAL IN
overall_length3.625 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.500 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. +3313B MIL SPEC ALL MATERIAL RESPONSES OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.500 INCHES NOMINAL IN
NSN5330-00-832-7848
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 381405 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: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL WIDTH3.625 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313B MIL SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH3.625 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
APERTURE DIAMETER2.500 INCHES NOMINAL IN
MATERIALPAPER AND GLUE OVERALL
BOLT HOLE QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
65209-09032-118Interchangeable
interchangeable cross-reference
interchangeable
00737 SH41 ST164Interchangeable
interchangeable cross-reference
interchangeable
164-18Interchangeable
interchangeable cross-reference
interchangeable
8028766Interchangeable
interchangeable cross-reference
interchangeable
1023-51Interchangeable
interchangeable cross-reference
interchangeable
K609331-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 381405?
381405 is a GASKET.
What parts can replace 381405?
There are 12 known substitutes for 381405: 65209-09032-118, 00737 SH41 ST164, 164-18 and 9 more. Substitute compatibility should be verified for your specific system.
Is 381405 still available?
381405 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