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642AS1641-4 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

642AS1641-4: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-188-9702, 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
642AS1641-4
NSN: 5340-01-188-9702
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number642AS1641-4
NSN5340-01-188-9702
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 642AS1641-4 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
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 5
815WD4Reference document
Same NSN cross-reference
Reference document — Secondary reference
S663WDG4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
JM44LC28WD4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST9M588WDG4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
TA0220060WCR4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 642AS1641-4?
642AS1641-4 is a CLAMP,LOOP.
What parts can replace 642AS1641-4?
There are 5 known substitutes for 642AS1641-4: 815WD4, S663WDG4, JM44LC28WD4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 642AS1641-4?
642AS1641-4 is cataloged in the U.S. Government catalog under NSN 5340-01-188-9702. This indicates validated use in U.S. government and defense supply chains.
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