PartsTable
Technical Data Sheet
CQ2 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, overall_length: 3.500 INCHES NOMINAL IN, connection_type: UNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION, furnished_items: GASKET AND SLEEVE, connection_style: SOCKET ALL ENDS, special_features: MIN OF 4 COUNTERSET HOLES IN SLEEVE FOR WOOD SCREWS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-264-5419, 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
CQ2
NSN: 4730-00-264-5419
FSC: 4730
CAGE: 86192 — CLEMCO INDUSTRIES CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_length3.500 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
furnished_itemsGASKET AND SLEEVE
connection_styleSOCKET ALL ENDS
special_featuresMIN OF 4 COUNTERSET HOLES IN SLEEVE FOR WOOD SCREWS
style_designatorMALE COUPLING HALF
quick_disconnect_methodTWO LUG UNIVERSAL ALL ENDS
first_end_outside_diameter_hose_accommodated1.875 INCHES NOMINAL IN
NSN4730-00-264-5419
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CQ2 · 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
FIRST END OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.875 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY BODY
STYLE DESIGNATOR: MALE COUPLING HALF
CONNECTION STYLE: SOCKET ALL ENDS
CONNECTION TYPE: UNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
QUICK DISCONNECT METHOD: TWO LUG UNIVERSAL ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.500 INCHES NOMINAL IN
FIRST END OUTSIDE DIAMETER HOSE ACCOMMODATED1.875 INCHES NOMINAL IN
MATERIALCOPPER ALLOY BODY
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION STYLESOCKET ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
SPECIAL FEATURESMIN OF 4 COUNTERSET HOLES IN SLEEVE FOR WOOD SCREWS
QUICK DISCONNECT METHODTWO LUG UNIVERSAL ALL ENDS
FURNISHED ITEMSGASKET AND SLEEVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
PURCHASEDESCRIPTI0N33-7Interchangeable
interchangeable cross-reference
interchangeable
CQ3Interchangeable
interchangeable cross-reference
interchangeable
603-011Interchangeable
interchangeable cross-reference
interchangeable
CQ2Interchangeable
interchangeable cross-reference
interchangeable
AN5756-2Interchangeable
interchangeable cross-reference
interchangeable
564Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CQ2?
CQ2 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace CQ2?
There are 7 known substitutes for CQ2: PURCHASEDESCRIPTI0N33-7, CQ3, 603-011 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CQ2?
CQ2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-264-5419. This indicates validated use in U.S. government and defense supply chains.
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