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B643-8132-F89 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B643-8132-F89: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR AND COTTON OVERALL, hole_diameter: 0.129 INCHES NOMINAL ALL HOLES IN, overall_width: 2.000 INCHES NOMINAL IN, overall_length: 2.600 INCHES NOMINAL IN, end_item_identification: FUME FIGHTER, cross-sectional_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-623-3460, 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
B643-8132-F89
NSN: 5330-01-623-3460
FSC: 5330 — Packing and Gasket Materials
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR AND COTTON OVERALL
hole_diameter0.129 INCHES NOMINAL ALL HOLES IN
overall_width2.000 INCHES NOMINAL IN
overall_length2.600 INCHES NOMINAL IN
bolt_hole_quantity6
end_item_identificationFUME FIGHTER
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agencyGASKET, BLANK PLATE
center_to_center_distance_between_bolt_holes_along_width1.400 INCHES NOMINAL ALL HOLES IN
center_to_center_distance_between_bolt_holes_along_length1.100 INCHES NOMINAL ALL HOLES IN
NSN5330-01-623-3460
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B643-8132-F89 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: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE QUANTITY: 6
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.100 INCHES NOMINAL ALL HOLES IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.400 INCHES NOMINAL ALL HOLES IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
OVERALL LENGTH2.600 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.100 INCHES NOMINAL ALL HOLES IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.400 INCHES NOMINAL ALL HOLES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, BLANK PLATE
END ITEM IDENTIFICATIONFUME FIGHTER
MATERIALRUBBER CHLOROPRENE CLASS CR AND COTTON OVERALL
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 B643-8132-F89?
B643-8132-F89 is a GASKET.
What is the NSN for B643-8132-F89?
B643-8132-F89 is cataloged in the U.S. Government catalog under NSN 5330-01-623-3460. 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.