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Technical Data Sheet
PartsTable / COMPONENT / 7398528
7398528 ✓ 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: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 6.875 INCHES NOMINAL IN, aperture_width: 5.000 INCHES NOMINAL IN, overall_length: 9.250 INCHES NOMINAL IN, aperture_length: 7.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-5272, 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
7398528
NSN: 5330-00-297-5272
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width6.875 INCHES NOMINAL IN
aperture_width5.000 INCHES NOMINAL IN
overall_length9.250 INCHES NOMINAL IN
aperture_length7.375 INCHES NOMINAL IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
bolt_hole_quantity4
inside_corner_radius2.500 INCHES NOMINAL IN
outside_corner_radius3.438 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
NSN5330-00-297-5272
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7398528 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 5.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
HOLE DIAMETER: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 2.500 INCHES NOMINAL IN
•
APERTURE LENGTH: 7.375 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.937 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 3.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH5.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
INSIDE CORNER RADIUS2.500 INCHES NOMINAL IN
APERTURE LENGTH7.375 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.937 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS3.438 INCHES NOMINAL IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
OVERALL WIDTH6.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
934012Interchangeable
interchangeable cross-reference
interchangeable
804777-00Interchangeable
interchangeable cross-reference
interchangeable
902-12-711-70Interchangeable
interchangeable cross-reference
interchangeable
8528692Interchangeable
interchangeable cross-reference
interchangeable
110012NInterchangeable
interchangeable cross-reference
interchangeable
3600-254REVAPC70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7398528?
7398528 is a GASKET.
What parts can replace 7398528?
There are 22 known substitutes for 7398528: 934012, 804777-00, 902-12-711-70 and 19 more. Substitute compatibility should be verified for your specific system.
Is 7398528 still available?
7398528 is currently cancelled.
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Last verified: July 2026