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RE-F2691781 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RE-F2691781: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include length: 11.688 INCHES NOMINAL IN, material: STEEL OVERALL, end_style: WERE ROPE SOCKET AND CLEVIS, body_style: HEX CLOSED BODY, fork_width: 0.625 INCHES NOMINAL IN, body_length: 6.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-292-5531, 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
RE-F2691781
NSN: 5340-00-292-5531
NIINs: 002925531, 006647004
FSC: 5340 — Hardware, Commercial
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
length11.688 INCHES NOMINAL IN
materialSTEEL OVERALL
end_styleWERE ROPE SOCKET AND CLEVIS
body_styleHEX CLOSED BODY
fork_width0.625 INCHES NOMINAL IN
body_length6.000 INCHES NOMINAL IN
thread_class1A BODY A
pinhole_diameter0.516 INCHES NOMINAL IN
take-up_distance4.562 INCHES NOMINAL IN
locking_device_typeNUT
nominal_thread_size0.500 INCHES BODY IN
thread_series_designatorUNF BODY
NSN5340-00-292-5531
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RE-F2691781 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
•
TAKE-UP DISTANCE: 4.562 INCHES NOMINAL IN
•
LENGTH: 11.625 INCHES NOMINAL IN
•
BODY STYLE: HEX CLOSED BODY
•
END STYLE: CLEVIS AND CLEVIS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-627,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
LOCKING DEVICE TYPE: NUT
•
NOMINAL THREAD SIZE: 0.500 INCHES BODY IN
•
BODY LENGTH: 6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TAKE-UP DISTANCE4.562 INCHES NOMINAL IN
LENGTH11.625 INCHES NOMINAL IN
BODY STYLEHEX CLOSED BODY
END STYLECLEVIS AND CLEVIS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-627,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
LOCKING DEVICE TYPENUT
NOMINAL THREAD SIZE0.500 INCHES BODY IN
BODY LENGTH6.000 INCHES NOMINAL IN
FORK WIDTH0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
PINHOLE DIAMETER0.515 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
10661-AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RE-F2691781?
RE-F2691781 is a TURNBUCKLE.
What parts can replace RE-F2691781?
There is 1 known substitute for RE-F2691781: 10661-A. Substitute compatibility should be verified for your specific system.
What is the NSN for RE-F2691781?
RE-F2691781 is cataloged in the U.S. Government catalog under NSN 5340-00-292-5531. 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.