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Technical Data Sheet
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6985177-A40 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6985177-A40: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-731-2903, 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
6985177-A40
NSN: 5340-01-731-2903
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number6985177-A40
NSN5340-01-731-2903
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6985177-A40 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 4
6985177 EPL SH 7-26Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6985177Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
100-6985177-A40Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H532-0102-A40Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6985177-A40?
6985177-A40 is a TURNBUCKLE.
What parts can replace 6985177-A40?
There are 4 known substitutes for 6985177-A40: 6985177 EPL SH 7-26, 6985177, 100-6985177-A40 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6985177-A40?
6985177-A40 is cataloged in the U.S. Government catalog under NSN 5340-01-731-2903. This indicates validated use in U.S. government and defense supply chains.
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