PartsTable
Technical Data Sheet
W71X4 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.641 INCHES NOMINAL THIRD END IN, thread_class: 2A THIRD END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: COMPRESSION (TUBE) THIRD END, nominal_thread_size: 0.438 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-496-7505, 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
W71X4
NSN: 4730-00-496-7505
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.641 INCHES NOMINAL THIRD END IN
thread_class2A THIRD END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleCOMPRESSION (TUBE) THIRD END
nominal_thread_size0.438 INCHES FIRST END IN
seat_nominal_radius0.062 INCHES SECOND END IN
end_item_identification43N AIRCRAFT, HORNET F/A-18
thread_quantity_per_inch24 FIRST END
thread_series_designatorUNS THIRD END
nondefinitive_spec/std_data14C FIGURE
specification/standard_data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-496-7505
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W71X4 · 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
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES THIRD END IN
NOMINAL THREAD SIZE: 0.438 INCHES THIRD END IN
MATERIAL: COPPER ALLOY OVERALL
THREAD CLASS: 2A SECOND END A
THREAD SERIES DESIGNATOR: UNS FIRST END
CONNECTION STYLE: PLAIN (PIPE) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END IN
NOMINAL THREAD SIZE0.438 INCHES THIRD END IN
MATERIALCOPPER ALLOY OVERALL
THREAD CLASS2A SECOND END A
THREAD SERIES DESIGNATORUNS FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD CLASS2A FIRST END A
CONNECTION STYLEPLAIN (PIPE) SECOND END
THREAD SERIES DESIGNATORUNS THIRD END
CONNECTION STYLECOMPRESSION (TUBE) THIRD END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A-203-12Interchangeable
interchangeable cross-reference
interchangeable
1203-15Interchangeable
interchangeable cross-reference
interchangeable
5-555042-3Interchangeable
interchangeable cross-reference
interchangeable
910241Interchangeable
interchangeable cross-reference
interchangeable
90122-3Interchangeable
interchangeable cross-reference
interchangeable
120276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W71X4?
W71X4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace W71X4?
There are 13 known substitutes for W71X4: A-203-12, 1203-15, 5-555042-3 and 10 more. Substitute compatibility should be verified for your specific system.
Is W71X4 still available?
W71X4 is currently cancelled.
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