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204-071-620-1 — TURNBUCKLE BODY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

204-071-620-1: TURNBUCKLE BODY.

The TURNBUCKLE BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, body_style: ROUND CLOSED BODY, body_length: 4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN, thread_class: 3B BODY, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.190 INCHES BODY IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-901-1174, 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
204-071-620-1
NSN: 5340-00-901-1174
FSC: 5340 — Hardware, Commercial
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
body_styleROUND CLOSED BODY
body_length4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN
thread_class3B BODY
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES BODY IN
thread_series_designatorUNF BODY
material_document_and_classificationMIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification299-099-031,CB2,BELL HELICOPTER CO MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5340-00-901-1174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 204-071-620-1 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: 299-099-031,CB2,BELL HELICOPTER CO MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
BODY STYLE: ROUND CLOSED BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.190 INCHES BODY IN
•
BODY LENGTH: 4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION299-099-031,CB2,BELL HELICOPTER CO MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION299-099-031,PZG1,BELL HELICOPTER CO MFR REF SINGLE TREATMENT RESPONSE BODY
BODY STYLEROUND CLOSED BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.190 INCHES BODY IN
BODY LENGTH4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENTCHROMATE ZINC BODY
THREAD CLASS3B BODY
MATERIALSTEEL COMP 4130 OVERALL
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 1
204-071-620-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 204-071-620-1?
204-071-620-1 is a TURNBUCKLE BODY.
What parts can replace 204-071-620-1?
There is 1 known substitute for 204-071-620-1: 204-071-620-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 204-071-620-1?
204-071-620-1 is cataloged in the U.S. Government catalog under NSN 5340-00-901-1174. 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.