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A641 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A641: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC BODY, overall_height: 1.000 INCHES NOMINAL IN, style_designator: THRU-HOLE, fsc_application_data: PEDAL DRAFT,VEHICLE, base_outside_diameter: 2.188 INCHES NOMINAL IN, opening_inside_diameter: 0.469 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-769-7873, 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
A641
NSN: 5340-00-769-7873
FSC: 5340 — Hardware, Commercial
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC BODY
overall_height1.000 INCHES NOMINAL IN
style_designatorTHRU-HOLE
fsc_application_dataPEDAL DRAFT,VEHICLE
base_outside_diameter2.188 INCHES NOMINAL IN
opening_inside_diameter0.469 INCHES NOMINAL IN
NSN5340-00-769-7873
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A641 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
•
FSC APPLICATION DATA: PEDAL DRAFT,VEHICLE
•
OPENING INSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE
•
BASE OUTSIDE DIAMETER: 2.188 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.000 INCHES NOMINAL IN
FSC APPLICATION DATAPEDAL DRAFT,VEHICLE
OPENING INSIDE DIAMETER0.469 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE
BASE OUTSIDE DIAMETER2.188 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC BODY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
7697873Reference document
Same NSN cross-reference
Reference document — Secondary reference
GPW2476AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A641?
A641 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace A641?
There are 2 known substitutes for A641: 7697873, GPW2476A. Substitute compatibility should be verified for your specific system.
What is the NSN for A641?
A641 is cataloged in the U.S. Government catalog under NSN 5340-00-769-7873. 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.