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7028985 — TURNBUCKLE BODY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7028985: TURNBUCKLE BODY.

The TURNBUCKLE BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: FLAT OPEN BUCKLE, body_length: 5.500 INCHES NOMINAL IN, thread_class: 2B BODY, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.500 INCHES BODY IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-702-8985, 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
7028985
NSN: 5340-00-702-8985
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleFLAT OPEN BUCKLE
body_length5.500 INCHES NOMINAL IN
thread_class2B BODY
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.500 INCHES BODY IN
thread_series_designatorUNF BODY
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-00-702-8985
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7028985 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
BODY STYLE: FLAT OPEN BUCKLE
•
NOMINAL THREAD SIZE: 0.500 INCHES BODY IN
•
BODY LENGTH: 5.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD CLASS: 2B BODY
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNF BODY
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLEFLAT OPEN BUCKLE
NOMINAL THREAD SIZE0.500 INCHES BODY IN
BODY LENGTH5.500 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B BODY
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNF BODY
SUBSTITUTES & CROSS-REFERENCES 1
2710RReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7028985?
7028985 is a TURNBUCKLE BODY.
What parts can replace 7028985?
There is 1 known substitute for 7028985: 2710R. Substitute compatibility should be verified for your specific system.
What is the NSN for 7028985?
7028985 is cataloged in the U.S. Government catalog under NSN 5340-00-702-8985. 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.