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940-18823 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

940-18823: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, leg_length: 1.940 INCHES NOMINAL IN, seat_angle: 90.0 DEGREES, thread_class: 2A ALL ENDS A, overall_length: 1.940 INCHES NOMINAL IN, connection_type: EXTERNAL QUICK DISCONNECT SECOND QUICK DISCONNECT END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-459-8443, 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
940-18823
NSN: 4730-01-459-8443
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 04801 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length1.940 INCHES NOMINAL IN
seat_angle90.0 DEGREES
thread_class2A ALL ENDS A
overall_length1.940 INCHES NOMINAL IN
connection_typeEXTERNAL QUICK DISCONNECT SECOND QUICK DISCONNECT END
connection_styleINVERTED FLARE ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.5625 INCHES ALL ENDS IN
end_item_identificationUSED ON TICONDEROGA CLASS SSN (47), AEGIS MK 7 MOD 6
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorUNF ALL ENDS
NSN4730-01-459-8443
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 940-18823 · 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 STYLE: INVERTED FLARE ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.940 INCHES ALL ENDS IN
•
LEG LENGTH: 1.940 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.5625 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEINVERTED FLARE ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION TYPEEXTERNAL QUICK DISCONNECT SECOND QUICK DISCONNECT END
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH1.940 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.940 INCHES ALL ENDS IN
LEG LENGTH1.940 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.5625 INCHES ALL ENDS IN
SEAT ANGLE90.0 DEGREES
THREAD CLASS2A ALL ENDS A
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 940-18823?
940-18823 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for 940-18823?
940-18823 is cataloged in the U.S. Government catalog under NSN 4730-01-459-8443. This indicates validated use in U.S. government and defense supply chains.
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