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7030-78-240-4103 — ADAPTER,STRAIGHT,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7030-78-240-4103: ADAPTER,STRAIGHT,FLANGE TO TUBE.

ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, flange_shape: HEXAGON SECOND END, thread_class: 3B AND 3A FIRST END A, connection_type: FLANGE SECOND END, special_features: 6 EQUALLY SPACED HOLES 0.125 IN. ID AROUND CTR.

IN, nominal_thickness: 0.156 INCHES SECOND END IN. This part is cataloged in the U.S. Government catalog under NSN 4730-01-339-6749, 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
7030-78-240-4103
NSN: 4730-01-339-6749
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
flange_shapeHEXAGON SECOND END
thread_class3B AND 3A FIRST END A
connection_typeFLANGE SECOND END
special_features6 EQUALLY SPACED HOLES 0.125 IN. ID AROUND CTR. IN
nominal_thickness0.156 INCHES SECOND END IN
flange_face_designPLAIN SECOND END
nominal_thread_size0.750 INCHES AND 1.062 INCHES FIRST END IN
nominal_overall_length1.531 INCHES IN
thread_series_designatorUNF FIRST END
nominal_width_across_flats0.500 INCHES SECOND END IN
material_document_and_classificationQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-339-6749
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7030-78-240-4103 · 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: HEXAGON SECOND END
•
NOMINAL WIDTH ACROSS FLATS: 0.500 INCHES SECOND END IN
•
FLANGE FACE DESIGN: PLAIN SECOND END
•
NOMINAL OVERALL LENGTH: 1.531 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.750 INCHES AND 1.062 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEHEXAGON SECOND END
NOMINAL WIDTH ACROSS FLATS0.500 INCHES SECOND END IN
FLANGE FACE DESIGNPLAIN SECOND END
NOMINAL OVERALL LENGTH1.531 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE AND THREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.750 INCHES AND 1.062 INCHES FIRST END IN
SPECIAL FEATURES6 EQUALLY SPACED HOLES 0.125 IN. ID AROUND CTR. IN
THREAD CLASS3B AND 3A FIRST END A
SUBSTITUTES & CROSS-REFERENCES 1
70307-82404Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7030-78-240-4103?
7030-78-240-4103 is a ADAPTER,STRAIGHT,FLANGE TO TUBE.
What parts can replace 7030-78-240-4103?
There is 1 known substitute for 7030-78-240-4103: 70307-82404. Substitute compatibility should be verified for your specific system.
What is the NSN for 7030-78-240-4103?
7030-78-240-4103 is cataloged in the U.S. Government catalog under NSN 4730-01-339-6749. This indicates validated use in U.S. government and defense supply chains.
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