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6534K43 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6534K43: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION, style_designator: MALE COUPLING HALF, nominal_thread_size: 0.500 INCHES ALL ENDS IN, thread_series_designator: NPT ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-371-1364, 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
6534K43
NSN: 4730-01-371-1364
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
style_designatorMALE COUPLING HALF
nominal_thread_size0.500 INCHES ALL ENDS IN
thread_series_designatorNPT ALL ENDS
NSN4730-01-371-1364
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6534K43 · 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
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
MATERIAL: STEEL BODY
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
MATERIALSTEEL BODY
THREAD SERIES DESIGNATORNPT ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 1
2D60794Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 6534K43?
6534K43 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 6534K43?
There is 1 known substitute for 6534K43: 2D60794. Substitute compatibility should be verified for your specific system.
What is the NSN for 6534K43?
6534K43 is cataloged in the U.S. Government catalog under NSN 4730-01-371-1364. 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.