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7D0256 — FERRULE,SWAGE,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7D0256: FERRULE,SWAGE,TUBE COUPLING.

The FERRULE,SWAGE,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, slot_depth: 0.031 INCHES NOMINAL IN, slot_width: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, flange_width: 0.060 INCHES MAXIMUM IN, overall_length: 0.732 INCHES MAXIMUM IN, outside_diameter: 4.900 INCHES NOMINAL IN. 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
NSN: 4730-01-003-8860
NIINs: 010038860, 010243787
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
slot_depth0.031 INCHES NOMINAL IN
slot_width0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
flange_width0.060 INCHES MAXIMUM IN
slot_quantity6
overall_length0.732 INCHES MAXIMUM IN
outside_diameter4.900 INCHES NOMINAL IN
style_designatorSINGLE FLANGE
flange_inside_diameter3.980 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
end_item_identificationC17A AIRCRAFT
flange_outside_diameter4.334 INCHES MAXIMUM IN
NSN4730-01-003-8860
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7D0256 · 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
•
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 TYPE65.00 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 DESIGNED4.000 INCHES NOMINAL IN
STYLE DESIGNATORFLEXIBLE COUPLING ASSEMBLY
OVERALL LENGTH1.602 INCHES NOMINAL IN
OUTSIDE DIAMETER4.900 INCHES NOMINAL IN
END ITEM IDENTIFICATIONC17A AIRCRAFT
MATERIALALUMINUM ALLOY 2024
WORKING PRESSURE AND SERVICE TYPE125.00 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
W701Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
7D0256-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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?
7D0256 is a FERRULE,SWAGE,TUBE COUPLING.
What parts can replace 7D0256?
There are 3 known substitutes for 7D0256: 12J71-64AE, W701, 7D0256-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 7D0256?
7D0256 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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