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GF11A — INVERTED NUT,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

GF11A: INVERTED NUT,TUBE COUPLING.

The INVERTED NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OR STEEL COMP 347 OVERALL, seat_angle: 37.0 DEGREES SECOND END, thread_size: 1-1/16-12, thread_class: 3A SECOND END A, overall_length: 1.489 INCHES NOMINAL IN, connection_type: UNTHREADED INTERNAL TUBE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-720-1035, 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
GF11A
NSN: 4730-00-720-1035
NIINs: 007201035, 012538596, 013197570
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OR STEEL COMP 347 OVERALL
seat_angle37.0 DEGREES SECOND END
thread_size1-1/16-12
thread_class3A SECOND END A
overall_length1.489 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) SECOND END
style_designatorRIGID W/OFFSET WRENCHING FACILITY
thread_directionRIGHT-HAND
seat_angle_in_deg37.0
fabrication_methodBAR STOCK, MACHINED
width_across_flats1.000 INCHES NOMINAL IN
NSN4730-00-720-1035
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GF11A · 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
•
WIDTH ACROSS FLATS: 1.000 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 37.0
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INVERTED NUT, TUBE, FLARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.000 INCHES NOMINAL IN
SEAT ANGLE IN DEG37.0
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
STYLE DESIGNATORINVERTED NUT, TUBE, FLARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.489 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
CASEHARDENING INDICATORNOT CASEHARDENED
THREAD SIZE1-1/16-12
SCREW THREAD SERIES DESIGNATORUN
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 GF11A?
GF11A is a INVERTED NUT,TUBE COUPLING.
What is the NSN for GF11A?
GF11A is cataloged in the U.S. Government catalog under NSN 4730-00-720-1035. This indicates validated use in U.S. government and defense supply chains.
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