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2998T52 — TURNBUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2998T52: TURNBUCKLE.

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, end_style: HOOK AND CLOSED EYE, eye_width: 0.625 INCHES NOMINAL IN, take-up_distance: 4.500 INCHES NOMINAL IN, surface_treatment: ZINC BODY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-284-1519, 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
2998T52
NSN: 5340-01-284-1519
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL BODY
end_styleHOOK AND CLOSED EYE
eye_width0.625 INCHES NOMINAL IN
take-up_distance4.500 INCHES NOMINAL IN
surface_treatmentZINC BODY
NSN5340-01-284-1519
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2998T52 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: 4.500 INCHES NOMINAL IN
•
EYE WIDTH: 0.625 INCHES NOMINAL IN
•
END STYLE: HOOK AND CLOSED EYE
•
SURFACE TREATMENT: ZINC BODY
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
TAKE-UP DISTANCE4.500 INCHES NOMINAL IN
EYE WIDTH0.625 INCHES NOMINAL IN
END STYLEHOOK AND CLOSED EYE
SURFACE TREATMENTZINC BODY
MATERIALSTEEL BODY
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 2998T52?
2998T52 is a TURNBUCKLE.
What is the NSN for 2998T52?
2998T52 is cataloged in the U.S. Government catalog under NSN 5340-01-284-1519. 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.