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43977-10 — LOOP,STRAP FASTENER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

43977-10: LOOP,STRAP FASTENER.

The LOOP,STRAP FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL, surface_treatment: CADMIUM OR ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-345-9199, 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
43977-10
NSN: 5340-01-345-9199
FSC: 5340 — Hardware, Commercial
CAGE: 31272 — ANCRA INTERNATIONAL LLC (USA)
SPECIFICATIONS
materialSTEEL
surface_treatmentCADMIUM OR ZINC
NSN5340-01-345-9199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43977-10 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
•
SURFACE TREATMENT: CADMIUM OR ZINC
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTCADMIUM OR ZINC
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
1000040Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 43977-10?
43977-10 is a LOOP,STRAP FASTENER.
What parts can replace 43977-10?
There is 1 known substitute for 43977-10: 1000040. Substitute compatibility should be verified for your specific system.
What is the NSN for 43977-10?
43977-10 is cataloged in the U.S. Government catalog under NSN 5340-01-345-9199. This indicates validated use in U.S. government and defense supply chains.
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