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GB15C2 — ADAPTER,STRAIGHT,FLANGE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

GB15C2: ADAPTER,STRAIGHT,FLANGE TO BOSS.

ADAPTER,STRAIGHT,FLANGE TO BOSS. Key specifications include material: ALUMINUM ALLOY OVERALL, flange_shape: ROUND WITH HOLES FIRST END, thread_class: 2B SECOND END, connection_style: GASKET SEAL (BOSS) SECOND END, nominal_thickness: 0.125 INCHES FIRST END IN, surface_treatment: ANODIZE OUTSIDE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-024-4307, 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
GB15C2
NSN: 4730-00-024-4307
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
flange_shapeROUND WITH HOLES FIRST END
thread_class2B SECOND END
connection_styleGASKET SEAL (BOSS) SECOND END
nominal_thickness0.125 INCHES FIRST END IN
surface_treatmentANODIZE OUTSIDE
bolt_hole_quantity4 FIRST END
flange_face_designPLAIN FIRST END
nominal_thread_size0.438 INCHES SECOND END IN
end_item_identificationF-14A AIRCRAFT A
nominal_outside_diameter1.437 INCHES FIRST END IN
thread_series_designatorUNF SECOND END
NSN4730-00-024-4307
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GB15C2 · 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
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
CONNECTION STYLE: GASKET SEAL (BOSS) SECOND END
•
BOLT HOLE NOMINAL DIAMETER: 0.125 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER: 1.437 INCHES FIRST END IN
•
BOLT HOLE QUANTITY: 4 FIRST END
•
SURFACE TREATMENT: ANODIZE INSIDE
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE FACE DESIGNPLAIN FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
BOLT HOLE NOMINAL DIAMETER0.125 INCHES FIRST END IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER1.437 INCHES FIRST END IN
BOLT HOLE QUANTITY4 FIRST END
SURFACE TREATMENTANODIZE INSIDE
SURFACE TREATMENTANODIZE OUTSIDE
THREAD CLASS2B SECOND END
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 GB15C2?
GB15C2 is a ADAPTER,STRAIGHT,FLANGE TO BOSS.
What is the NSN for GB15C2?
GB15C2 is cataloged in the U.S. Government catalog under NSN 4730-00-024-4307. This indicates validated use in U.S. government and defense supply chains.
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