PartsTable
Technical Data Sheet
48X3 ✓ 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: STEEL COMP 1020 OVERALL, head_height: 0.219 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, thread_length: 0.406 INCHES NOMINAL EXTERNAL IN, overall_length: 0.766 INCHES NOMINAL IN, connection_style: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-266-0531, 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
48X3
NSN: 4730-00-266-0531
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
head_height0.219 INCHES NOMINAL IN
thread_class3A EXTERNAL A
thread_length0.406 INCHES NOMINAL EXTERNAL IN
overall_length0.766 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.500 INCHES EXTERNAL IN
washer_face_diameter0.750 INCHES NOMINAL IN
washer_face_thickness0.016 INCHES NOMINAL IN
thread_series_designatorUNEF EXTERNAL
NSN4730-00-266-0531
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 48X3 · 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 THREAD SIZE: 0.375 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.188 INCHES FIRST END IN
MATERIAL: COPPER ALLOY 11 OR COPPER ALLOY 360 OVERALL
CONNECTION STYLE: FLARED (TUBE) FIRST END
THREAD SERIES DESIGNATOR: NPTF SECOND END
NONDEFINITIVE SPEC/STD DATA: 1A FIGURE A
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES FIRST END IN
MATERIALCOPPER ALLOY 11 OR COPPER ALLOY 360 OVERALL
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD SERIES DESIGNATORNPTF SECOND END
NONDEFINITIVE SPEC/STD DATA1A FIGURE A
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
THREAD CLASS2A FIRST END A
CONNECTION STYLEPLAIN (PIPE) SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
FF310Interchangeable
interchangeable cross-reference
interchangeable
F310Interchangeable
interchangeable cross-reference
interchangeable
SLF244-3Interchangeable
interchangeable cross-reference
interchangeable
050-002136Interchangeable
interchangeable cross-reference
interchangeable
50-2136Interchangeable
interchangeable cross-reference
interchangeable
416-0081-005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48X3?
48X3 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 48X3?
There are 26 known substitutes for 48X3: FF310, F310, SLF244-3 and 23 more. Substitute compatibility should be verified for your specific system.
Is 48X3 still available?
48X3 is currently cancelled.
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