PartsTable
Technical Data Sheet
4253-143-6 ✓ 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 ELBOW,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.125 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-253-4427, 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
4253-143-6
NSN: 4730-00-253-4427
FSC: 4730
CAGE: 83395 — CONSOLIDATED WELDING AND ENGINEERING CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length1.125 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.375 INCHES ALL ENDS IN
maximum_operating_temp73.0 CELSIUS SINGLE RESPONSE DEGC
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data1 TYPE AND 2 CLASS
nominal_pipe_size_accommodated0.375 INCHES ALL ENDS IN
NSN4730-00-253-4427
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4253-143-6 · 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
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW ANGLE: 90.0 DEGREES
MATERIAL: STEEL OVERALL
THREAD SERIES DESIGNATOR: NPT ALL ENDS
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW ANGLE90.0 DEGREES
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP73.0 CELSIUS SINGLE RESPONSE DEGC
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
4730000146694Interchangeable
interchangeable cross-reference
interchangeable
MILP18174Interchangeable
interchangeable cross-reference
interchangeable
MS14304-1X1202Interchangeable
interchangeable cross-reference
interchangeable
386SIZE1-2INInterchangeable
interchangeable cross-reference
interchangeable
B16.11Interchangeable
interchangeable cross-reference
interchangeable
MS14304-1C08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4253-143-6?
4253-143-6 is a ELBOW,PIPE.
What parts can replace 4253-143-6?
There are 25 known substitutes for 4253-143-6: 4730000146694, MILP18174, MS14304-1X1202 and 22 more. Substitute compatibility should be verified for your specific system.
Is 4253-143-6 still available?
4253-143-6 is currently cancelled.
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