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6539-60-603-3041 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6539-60-603-3041: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, special_features: INCL GREASE FITTING, surface_treatment: CADMIUM BODY, end_item_identification: AIRCRAFT MODEL S80M1, furnished_items_and_quantity: 1 SCREW, surface_treatment_document_and_classification: QQ-P-416,CL 2,TY 3 FED SPEC SINGLE TREATMENT RESPONSE BODY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-376-1593, 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
6539-60-603-3041
NSN: 4730-01-376-1593
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL BODY
special_featuresINCL GREASE FITTING
surface_treatmentCADMIUM BODY
end_item_identificationAIRCRAFT MODEL S80M1
furnished_items_and_quantity1 SCREW
surface_treatment_document_and_classificationQQ-P-416,CL 2,TY 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
NSN4730-01-376-1593
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6539-60-603-3041 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FURNISHED ITEMS AND QUANTITY: 1 SCREW
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,CL 2,TY 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
•
SURFACE TREATMENT: CADMIUM BODY
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 SCREW
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,CL 2,TY 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
SPECIAL FEATURESINCL GREASE FITTING
SURFACE TREATMENTCADMIUM BODY
END ITEM IDENTIFICATIONAIRCRAFT MODEL S80M1
MATERIALSTEEL BODY
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
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 6539-60-603-3041?
6539-60-603-3041 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for 6539-60-603-3041?
6539-60-603-3041 is cataloged in the U.S. Government catalog under NSN 4730-01-376-1593. 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.