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6146571 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6146571: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: CLEVIS AND CLEVIS, body_style: ROUND OPEN BODY, fork_width: 0.563 INCHES NOMINAL IN, pinhole_diameter: 0.313 INCHES NOMINAL IN, special_features: SURFACE,ELECTRO-POLISHED,NAVSEA,OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-318-6889, 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
6146571
NSN: 5340-01-318-6889
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleCLEVIS AND CLEVIS
body_styleROUND OPEN BODY
fork_width0.563 INCHES NOMINAL IN
pinhole_diameter0.313 INCHES NOMINAL IN
special_featuresSURFACE,ELECTRO-POLISHED,NAVSEA,OVERALL
take-up_distance6.000 INCHES NOMINAL IN
locking_device_typeNUT
nominal_thread_size0.375 INCHES BODY IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) BODY
furnished_items_and_quantity2 BOLT AND 2 NUT
material_document_and_classificationNAVAL SEA SYSTEMS COMMAND,18-8 TY 303-304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-318-6889
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6146571 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
•
FURNISHED ITEMS AND QUANTITY: 2 BOLT AND 2 NUT
•
TAKE-UP DISTANCE: 6.000 INCHES NOMINAL IN
•
BODY STYLE: ROUND OPEN BODY
•
END STYLE: CLEVIS AND CLEVIS
•
MATERIAL DOCUMENT AND CLASSIFICATION: NAVAL SEA SYSTEMS COMMAND,18-8 TY 303-304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
LOCKING DEVICE TYPE: NUT
•
NOMINAL THREAD SIZE: 0.375 INCHES BODY IN
•
FORK WIDTH: 0.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 BOLT AND 2 NUT
TAKE-UP DISTANCE6.000 INCHES NOMINAL IN
BODY STYLEROUND OPEN BODY
END STYLECLEVIS AND CLEVIS
MATERIAL DOCUMENT AND CLASSIFICATIONNAVAL SEA SYSTEMS COMMAND,18-8 TY 303-304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LOCKING DEVICE TYPENUT
NOMINAL THREAD SIZE0.375 INCHES BODY IN
FORK WIDTH0.563 INCHES NOMINAL IN
SPECIAL FEATURESSURFACE,ELECTRO-POLISHED,NAVSEA,OVERALL
PINHOLE DIAMETER0.313 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6146571?
6146571 is a TURNBUCKLE.
What is the NSN for 6146571?
6146571 is cataloged in the U.S. Government catalog under NSN 5340-01-318-6889. 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.