PartsTable
Technical Data Sheet
838-131 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.750 INCHES FIRST END IN, nominal_overall_length: 2.000 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-083-2435, 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
838-131
NSN: 4730-01-083-2435
FSC: 4730
CAGE: 61623 — NIBCO INC CHEMTROL DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length2.000 INCHES IN
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated1.000 INCHES SECOND END IN
pipe_wall_thickness_designation_for_which_designedSCHEDULE 80 SECOND END
NSN4730-01-083-2435
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 838-131 · 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: 0.750 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: NPT FIRST END
CONNECTION TYPE: UNTHREADED EXTERNAL PIPE SECOND END
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES SECOND END IN
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
REDUCER TYPE: CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
THREAD SERIES DESIGNATORNPT FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES SECOND END IN
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
NOMINAL OVERALL LENGTH2.000 INCHES IN
REDUCER TYPECONCENTRIC
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1124-1Interchangeable
interchangeable cross-reference
interchangeable
1124-1-1Interchangeable
interchangeable cross-reference
interchangeable
8242Interchangeable
interchangeable cross-reference
interchangeable
14404Interchangeable
interchangeable cross-reference
interchangeable
C54789Interchangeable
interchangeable cross-reference
interchangeable
50G96Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 838-131?
838-131 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 838-131?
There are 15 known substitutes for 838-131: 1124-1, 1124-1-1, 8242 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 838-131?
838-131 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-083-2435. This indicates validated use in U.S. government and defense supply chains.
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