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Technical Data Sheet
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6534K26 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6534K26: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4730-00-729-5570, 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
6534K26
NSN: 4730-00-729-5570
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
Part Number6534K26
NSN4730-00-729-5570
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6534K26 · 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
SUBSTITUTES & CROSS-REFERENCES 3
DSS440BReference document
Same NSN cross-reference
Reference document — Secondary reference
BST-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
7746653P61Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 6534K26?
6534K26 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 6534K26?
There are 3 known substitutes for 6534K26: DSS440B, BST-2, 7746653P61. Substitute compatibility should be verified for your specific system.
What is the NSN for 6534K26?
6534K26 is cataloged in the U.S. Government catalog under NSN 4730-00-729-5570. This indicates validated use in U.S. government and defense supply chains.
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