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375525-6 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

375525-6: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 2.113 INCHES MINIMUM AND 2.191 INCHES MAXIMUM IN, connection_style: FLARED ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-021-8974, 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
375525-6
NSN: 4730-00-021-8974
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
seat_angle37.0 DEGREES
thread_class3A ALL ENDS A
overall_length2.113 INCHES MINIMUM AND 2.191 INCHES MAXIMUM IN
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSAFETY LOCKING FEATURE
nominal_thread_size0.562 INCHES ALL ENDS IN
end_item_identificationHELICOPTER,UTILITY-TACTICAL TRANSPORT,UH-1 AND EH-1 (BELL)
quick_disconnect_methodTWIST-LOCK ALL ENDS
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.375 INCHES ALL ENDS IN
NSN4730-00-021-8974
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 375525-6 · 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: FLARED ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
FEATURES PROVIDED: SAFETY LOCKING FEATURE
•
NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN
•
SEAT ANGLE: 37.0 DEGREES
•
THREAD CLASS: 3A ALL ENDS A
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH2.113 INCHES MINIMUM AND 2.191 INCHES MAXIMUM IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
FEATURES PROVIDEDSAFETY LOCKING FEATURE
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES
THREAD CLASS3A ALL ENDS A
END ITEM IDENTIFICATIONHELICOPTER,UTILITY-TACTICAL TRANSPORT,UH-1 AND EH-1 (BELL)
MATERIALALUMINUM ALLOY BODY
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 375525-6?
375525-6 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for 375525-6?
375525-6 is cataloged in the U.S. Government catalog under NSN 4730-00-021-8974. This indicates validated use in U.S. government and defense supply chains.
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