7D0256-1 — COUPLING ASSEMBLY,TUBE,FLEXIBLE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

7D0256-1: COUPLING ASSEMBLY,TUBE,FLEXIBLE.

COUPLING ASSEMBLY,TUBE,FLEXIBLE. Key specifications include material: ALUMINUM ALLOY 2024, overall_length: 1.602 INCHES NOMINAL IN, outside_diameter: 4.900 INCHES NOMINAL IN, style_designator: FLEXIBLE COUPLING ASSEMBLY, end_item_identification: C17A AIRCRAFT, working_pressure_and_service_type: 125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR AND 125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-003-8860, 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

7D0256-1

NSN: 4730-01-003-8860
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 88277 — THE BOEING COMPANY (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024
overall_length	1.602 INCHES NOMINAL IN
outside_diameter	4.900 INCHES NOMINAL IN
style_designator	FLEXIBLE COUPLING ASSEMBLY
end_item_identification	C17A AIRCRAFT
working_temp_and_service_type	65.00 DEG FAHRENHEIT MINIMUM AIR AND 400.00 DEG FAHRENHEIT MAXIMUM AIR AND 65.00 DEG FAHRENHEIT MINIMUM OIL AND 400.00 DEG FAHRENHEIT MAXIMUM OIL
working_pressure_and_service_type	125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR AND 125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL LBS
tube_outside_diameter_for_which_designed	4.000 INCHES NOMINAL IN
NSN	4730-01-003-8860

COMPONENT DIAGRAM

KEY FEATURES

•

WORKING TEMP AND SERVICE TYPE: 65.00 DEG FAHRENHEIT MINIMUM AIR AND 400.00 DEG FAHRENHEIT MAXIMUM AIR AND 65.00 DEG FAHRENHEIT MINIMUM OIL AND 400.00 DEG FAHRENHEIT MAXIMUM OIL

•

TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 4.000 INCHES NOMINAL IN

•

STYLE DESIGNATOR: FLEXIBLE COUPLING ASSEMBLY

•

OUTSIDE DIAMETER: 4.900 INCHES NOMINAL IN

•

MATERIAL: ALUMINUM ALLOY 2024

•

WORKING PRESSURE AND SERVICE TYPE: 125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR AND 125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL LBS

TECHNICAL CHARACTERISTICS

WORKING TEMP AND SERVICE TYPE	65.00 DEG FAHRENHEIT MINIMUM AIR AND 400.00 DEG FAHRENHEIT MAXIMUM AIR AND 65.00 DEG FAHRENHEIT MINIMUM OIL AND 400.00 DEG FAHRENHEIT MAXIMUM OIL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED	4.000 INCHES NOMINAL IN
STYLE DESIGNATOR	FLEXIBLE COUPLING ASSEMBLY
OVERALL LENGTH	1.602 INCHES NOMINAL IN
OUTSIDE DIAMETER	4.900 INCHES NOMINAL IN
END ITEM IDENTIFICATION	C17A AIRCRAFT
MATERIAL	ALUMINUM ALLOY 2024
WORKING PRESSURE AND SERVICE TYPE	125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR AND 125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL LBS

SUBSTITUTES & CROSS-REFERENCES 3

12J71-64AEReference document

Same NSN cross-reference

Reference document — Secondary reference

7D0256Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

W701Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7D0256-1?

7D0256-1 is a COUPLING ASSEMBLY,TUBE,FLEXIBLE.

What parts can replace 7D0256-1?

There are 3 known substitutes for 7D0256-1: 12J71-64AE, 7D0256, W701. Substitute compatibility should be verified for your specific system.

What is the NSN for 7D0256-1?

7D0256-1 is cataloged in the U.S. Government catalog under NSN 4730-01-003-8860. This indicates validated use in U.S. government and defense supply chains.

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7D0256-1 — COUPLING ASSEMBLY,TUBE,FLEXIBLE

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