PartsTable
Technical Data Sheet
Download PDF

2997T71 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2997T71: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include length: 38.625 INCHES NOMINAL IN, material: STEEL BODY, end_style: HOOK AND HOOK, body_style: FLAT OPEN BUCKLE, take-up_distance: 24.000 INCHES NOMINAL IN, surface_treatment: ZINC BODY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-268-9139, 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
2997T71
NSN: 5340-01-268-9139
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
length38.625 INCHES NOMINAL IN
materialSTEEL BODY
end_styleHOOK AND HOOK
body_styleFLAT OPEN BUCKLE
take-up_distance24.000 INCHES NOMINAL IN
surface_treatmentZINC BODY
nondefinitive_spec/std_data1 TYPE AND 1 FORM AND 5 CLASS
NSN5340-01-268-9139
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2997T71 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: 24.000 INCHES NOMINAL IN
•
LENGTH: 38.625 INCHES NOMINAL IN
•
BODY STYLE: FLAT OPEN BUCKLE
•
END STYLE: HOOK AND HOOK
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 FORM AND 5 CLASS
•
SURFACE TREATMENT: ZINC BODY
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
TAKE-UP DISTANCE24.000 INCHES NOMINAL IN
LENGTH38.625 INCHES NOMINAL IN
BODY STYLEFLAT OPEN BUCKLE
END STYLEHOOK AND HOOK
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 FORM AND 5 CLASS
SURFACE TREATMENTZINC BODY
MATERIALSTEEL BODY
SUBSTITUTES & CROSS-REFERENCES 2
FF-T-791Reference document
Same NSN cross-reference
Reference document — Identification reference
2999T71Same 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
Ready to buy 2997T71?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2997T71?
2997T71 is a TURNBUCKLE.
What parts can replace 2997T71?
There are 2 known substitutes for 2997T71: FF-T-791, 2999T71. Substitute compatibility should be verified for your specific system.
What is the NSN for 2997T71?
2997T71 is cataloged in the U.S. Government catalog under NSN 5340-01-268-9139. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2997T71

✓ 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.