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A643019 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A643019: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include width: 0.402 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-563-3293, 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
A643019
NSN: 5340-00-563-3293
NIINs: 005633293, 006594305
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
width0.402 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
surface_treatmentPASSIVATE
NSN5340-00-563-3293
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A643019 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
SUBSTITUTES & CROSS-REFERENCES 2
830623REVBSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
643019REVJReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A643019?
A643019 is a CLAMP,LOOP.
What parts can replace A643019?
There are 2 known substitutes for A643019: 830623REVB, 643019REVJ. Substitute compatibility should be verified for your specific system.
What is the NSN for A643019?
A643019 is cataloged in the U.S. Government catalog under NSN 5340-00-563-3293. This indicates validated use in U.S. government and defense supply chains.
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