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8738904 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8738904: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 9.375 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 7.188 INCHES NOMINAL IN, bolt_circle_diameter: 8.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-690-2884, 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
8738904
NSN: 5330-00-690-2884
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPAPER AND RUBBER SYNTHETIC OVERALL
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width9.375 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter7.188 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter8.125 INCHES NOMINAL IN
outside_corner_radius0.625 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_bolt_circle8.125 INCHES NOMINAL IN
material_document_and_classificationASTM F104 (F902095) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-690-2884
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8738904 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
•
SIDE RADIUS FROM BOLT CIRCLE: 8.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F104 (F902095) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 7.188 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
SIDE RADIUS FROM BOLT CIRCLE8.125 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F104 (F902095) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH9.375 INCHES NOMINAL IN
APERTURE DIAMETER7.188 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER8.125 INCHES NOMINAL IN
SPECIAL FEATURESMAT'L CALLOUT PER ASTM F104 SHOULD BE F902095 THE MATERIAL SHOULD BE PACKING FIBER MADE OF PAPER AND A RUBBER SYNTHETIC (NO ASBESTOS) AND WEIGHT INCREASE WHEN IMMERSED IRM 903 OIL SHOULD BE A MAX OF 70%.
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8738904?
8738904 is a GASKET.
What is the NSN for 8738904?
8738904 is cataloged in the U.S. Government catalog under NSN 5330-00-690-2884. 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.