PartsTable
Technical Data Sheet
CQ-1A ✓ 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: ALUMINUM ALLOY BODY, overall_length: 6.000 INCHES NOMINAL IN, connection_type: UNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: SOCKET ALL ENDS, special_features: SPIRAL GROOVED INSIDE,FLANGE DRILLED FOR SAFETY LOCK, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-212-6381, 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
CQ-1A
NSN: 4730-01-212-6381
FSC: 4730
CAGE: 86413 — PAULI AND GRIFFIN CO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
overall_length6.000 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
connection_styleSOCKET ALL ENDS
special_featuresSPIRAL GROOVED INSIDE,FLANGE DRILLED FOR SAFETY LOCK
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING AND SAFETY LOCKING FEATURE
quick_disconnect_methodTWO LUG UNIVERSAL ALL ENDS
first_end_outside_diameter_hose_accommodated1.500 INCHES NOMINAL IN
NSN4730-01-212-6381
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CQ-1A · 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: SOCKET ALL ENDS
MATERIAL: ALUMINUM ALLOY BODY
STYLE DESIGNATOR: MALE COUPLING HALF
QUICK DISCONNECT METHOD: TWO LUG UNIVERSAL ALL ENDS
CONNECTION TYPE: UNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
FIRST END OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLESOCKET ALL ENDS
MATERIALALUMINUM ALLOY BODY
STYLE DESIGNATORMALE COUPLING HALF
QUICK DISCONNECT METHODTWO LUG UNIVERSAL ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
SPECIAL FEATURESSPIRAL GROOVED INSIDE,FLANGE DRILLED FOR SAFETY LOCK
FIRST END OUTSIDE DIAMETER HOSE ACCOMMODATED1.500 INCHES NOMINAL IN
OVERALL LENGTH6.000 INCHES NOMINAL IN
FEATURES PROVIDEDSELF-SEALING AND SAFETY LOCKING FEATURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SI-11931Interchangeable
interchangeable cross-reference
interchangeable
A-508Interchangeable
interchangeable cross-reference
interchangeable
E-31100Interchangeable
interchangeable cross-reference
interchangeable
M330-57Interchangeable
interchangeable cross-reference
interchangeable
ASTM D5363Interchangeable
interchangeable cross-reference
interchangeable
ASTM D5363 AN0411 P12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CQ-1A?
CQ-1A is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace CQ-1A?
There are 12 known substitutes for CQ-1A: SI-11931, A-508, E-31100 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CQ-1A?
CQ-1A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-212-6381. This indicates validated use in U.S. government and defense supply chains.
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