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6718K26 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6718K26: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, leg_length: 0.40 INCHES NOMINAL IN, overall_length: 1.69 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION, connection_style: PUSH (EXTERNAL) FIRST QUICK DISCONNECT END, style_designator: MALE COUPLING HALF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-599-4024, 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
6718K26
NSN: 4730-01-599-4024
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
leg_length0.40 INCHES NOMINAL IN
overall_length1.69 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE SECOND FLUID END CONNECTION
connection_stylePUSH (EXTERNAL) FIRST QUICK DISCONNECT END
style_designatorMALE COUPLING HALF
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND FLUID END CONNECTION IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
quick_disconnect_methodPUSH-PULL FIRST QUICK DISCONNECT END
thread_quantity_per_inch18.0 SECOND FLUID END CONNECTION
thread_series_designatorNPTF SECOND FLUID END CONNECTION
NSN4730-01-599-4024
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6718K26 · 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
•
NOMINAL WIDTH ACROSS FLATS: 0.687 INCHES IN
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST QUICK DISCONNECT END IN
•
CONNECTION STYLE: PUSH (EXTERNAL) FIRST QUICK DISCONNECT END
•
MATING END IDENTIFICATION: MALE
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS0.687 INCHES IN
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST QUICK DISCONNECT END IN
CONNECTION STYLEPUSH (EXTERNAL) FIRST QUICK DISCONNECT END
CONNECTION STYLEPLAIN SECOND FLUID END CONNECTION
MATING END IDENTIFICATIONMALE
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND FLUID END CONNECTION
CONNECTION TYPEUNIVERSAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH1.69 INCHES NOMINAL IN
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 6718K26?
6718K26 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for 6718K26?
6718K26 is cataloged in the U.S. Government catalog under NSN 4730-01-599-4024. This indicates validated use in U.S. government and defense supply chains.
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