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SM371 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

SM371: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, overall_length: 2.040 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: FEMALE COUPLING HALF, surface_treatment: ZINC BODY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-066-6535, 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
SM371
NSN: 4730-01-066-6535
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0L8N4 — AMFS AMERICAN FLEET SERVICES (USA)
SPECIFICATIONS
materialSTEEL BODY
overall_length2.040 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorFEMALE COUPLING HALF
surface_treatmentZINC BODY
nominal_thread_size0.375 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-LOCK ALL ENDS
thread_series_designatorNPTF ALL ENDS
NSN4730-01-066-6535
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SM371 · 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: PLAIN ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: FEMALE COUPLING HALF
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
SURFACE TREATMENT: ZINC BODY
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
STYLE DESIGNATORFEMALE COUPLING HALF
OVERALL LENGTH2.040 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
SURFACE TREATMENTZINC BODY
MATERIALSTEEL BODY
QUICK DISCONNECT METHODPUSH-LOCK ALL ENDS
THREAD SERIES DESIGNATORNPTF ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 3
7608-103Reference document
Same NSN cross-reference
Reference document — Secondary reference
SM-251-6FPReference document
Same NSN cross-reference
Reference document — Secondary reference
202648Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SM371?
SM371 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace SM371?
There are 3 known substitutes for SM371: 7608-103, SM-251-6FP, 202648. Substitute compatibility should be verified for your specific system.
What is the NSN for SM371?
SM371 is cataloged in the U.S. Government catalog under NSN 4730-01-066-6535. This indicates validated use in U.S. government and defense supply chains.
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