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8389891 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8389891: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND RUBBER POLYSULFIDE CLASS T AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GLUE OVERALL, hole_diameter: 0.196 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.120 INCHES NOMINAL IN, overall_length: 2.120 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.910 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-692-9269, 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
8389891
NSN: 5330-00-692-9269
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPAPER AND RUBBER POLYSULFIDE CLASS T AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GLUE OVERALL
hole_diameter0.196 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.120 INCHES NOMINAL IN
overall_length2.120 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.910 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.250 INCHES NOMINAL IN
cross-sectional_thickness0.030 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationFSCM 79144 MFR REF ALL MATERIAL RESPONSES OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.215 INCHES NOMINAL IN
NSN5330-00-692-9269
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8389891 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: 0.030 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: FSCM 79144 MFR REF ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.910 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.030 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONFSCM 79144 MFR REF ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH2.120 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.120 INCHES NOMINAL IN
APERTURE DIAMETER1.910 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.690 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.690 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8389891?
8389891 is a GASKET.
What is the NSN for 8389891?
8389891 is cataloged in the U.S. Government catalog under NSN 5330-00-692-9269. 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.