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GF11A4C — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

GF11A4C: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seat_angle: 37.0 DEGREES SECOND END, thread_class: 2A SECOND END A, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: SOCKET (TUBE) FIRST END, style_designator: RIGID W/OFFSET WRENCHING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-253-8596, 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
GF11A4C
NSN: 4730-01-253-8596
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 06581 — ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
seat_angle37.0 DEGREES SECOND END
thread_class2A SECOND END A
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_styleSOCKET (TUBE) FIRST END
style_designatorRIGID W/OFFSET WRENCHING FACILITY
nominal_thread_size0.438 INCHES SECOND END IN
nominal_overall_length1.050 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-01-253-8596
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GF11A4C · 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 (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.050 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: RIGID W/OFFSET WRENCHING FACILITY
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.050 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATORRIGID W/OFFSET WRENCHING FACILITY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
SEAT ANGLE37.0 DEGREES SECOND END
THREAD CLASS2A SECOND END A
SUBSTITUTES & CROSS-REFERENCES 1
GF11AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 GF11A4C?
GF11A4C is a COUPLING,TUBE.
What parts can replace GF11A4C?
There is 1 known substitute for GF11A4C: GF11A. Substitute compatibility should be verified for your specific system.
What is the NSN for GF11A4C?
GF11A4C is cataloged in the U.S. Government catalog under NSN 4730-01-253-8596. This indicates validated use in U.S. government and defense supply chains.
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