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Technical Data Sheet
PartsTable / COMPONENT / 28238P
28238P ✓ 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: ASBESTOS OVERALL, overall_width: 5.625 INCHES NOMINAL IN, aperture_width: 4.375 INCHES NOMINAL IN, overall_length: 21.250 INCHES NOMINAL IN, aperture_length: 20.500 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-3782, 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
28238P
NSN: 5330-00-291-3782
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
overall_width5.625 INCHES NOMINAL IN
aperture_width4.375 INCHES NOMINAL IN
overall_length21.250 INCHES NOMINAL IN
aperture_length20.500 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
inside_corner_radius1.625 INCHES NOMINAL IN
outside_corner_radius2.000 INCHES NOMINAL IN
cross-sectional_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-291-3782
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 28238P 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
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL: ASBESTOS OVERALL
•
INSIDE CORNER RADIUS: 1.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE LENGTH: 20.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH5.625 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH21.250 INCHES NOMINAL IN
MATERIALASBESTOS OVERALL
INSIDE CORNER RADIUS1.625 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE LENGTH20.500 INCHES NOMINAL IN
APERTURE WIDTH4.375 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
934012Interchangeable
interchangeable cross-reference
interchangeable
804777-00Interchangeable
interchangeable cross-reference
interchangeable
902-12-711-70Interchangeable
interchangeable cross-reference
interchangeable
74101Interchangeable
interchangeable cross-reference
interchangeable
3018899Interchangeable
interchangeable cross-reference
interchangeable
1286274-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28238P?
28238P is a GASKET.
What parts can replace 28238P?
There are 17 known substitutes for 28238P: 934012, 804777-00, 902-12-711-70 and 14 more. Substitute compatibility should be verified for your specific system.
Is 28238P still available?
28238P 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