PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

838-131Reducer,pipe

Nibco Inc Chemtrol Div · NSN 4730-01-083-2435 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-083-2435 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-083-2435. Primary manufacturer part number: 838-131.
Features
  • Reducer,pipe — FSC 4730
  • 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
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-083-2435, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-083-2435
Primary Part Number838-131
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusACTIVE
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
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-003-2720 INTERCHANGEABLE
Chase Nipple,conduit
5342-00-009-39391124-1-1 INTERCHANGEABLE
Handle Assy
Indal Technologies Inc
2915-00-166-48048242 INTERCHANGEABLE
Follower,spring
Triumph Engine Control Systems Llc
5136-00-262-2195FRS T126 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5905-00-295-598211241 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4930-00-351-1916 INTERCHANGEABLE
Control Assembly,va
3120-00-499-12428242 INTERCHANGEABLE
Bushing
Schneider Electric Systems Usa Inc
5331-00-550-7700AMS7276-ID5.234-W.139IN. INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5935-00-644-6677UG87U INTERCHANGEABLE
Connector,receptacle,electrical
Joint Electronics Type Designation System
5905-00-756-6452311-0978-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
01051035 Nibco Inc (USA)
0141180 Cleveland Service Center (USA)
838-131 PRIMARY Nibco Inc Chemtrol Div (USA)
838-131 Lasco Industries (USA)
838-131 Nibco Inc (USA)
11241 Exceltec Intl Corp (USA)
8242 Eslon Thermoplastics Inc (USA)
838-131 George Fischer Sloane, Inc. (USA)
Related Parts
5975-00-003-2720INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
5342-00-009-3939INTERCHANGEABLE
HANDLE ASSY
1124-1-1
2915-00-166-4804INTERCHANGEABLE
FOLLOWER,SPRING
8242
5136-00-262-2195INTERCHANGEABLE
TAP,THREAD CUTTING
FRS T126
5905-00-295-5982INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
11241
4930-00-351-1916INTERCHANGEABLE
CONTROL ASSEMBLY,VA
3120-00-499-1242INTERCHANGEABLE
BUSHING
8242
5331-00-550-7700INTERCHANGEABLE
O-RING
AMS7276-ID5.234-W.139IN.
5935-00-644-6677INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
UG87U
5905-00-756-6452INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-0978-00
6210-00-971-1203INTERCHANGEABLE
GLOBE,ELECTRIC LIGHT
5360-00-971-5934INTERCHANGEABLE
SPRING
824-2

Frequently Asked Questions

What is NSN 4730-01-083-2435?

NSN 4730-01-083-2435 is a Reducer,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-083-2435?

NSN 4730-01-083-2435 has 8 cross-referenced part numbers: 01051035 (Nibco Inc), 0141180 (Cleveland Service Center), 838-131 (Nibco Inc Chemtrol Div), 838-131 (Lasco Industries), 838-131 (Nibco Inc) and 3 more.

What NSN replaces 4730-01-083-2435?

There are 12 known substitutes for 4730-01-083-2435: 5975-00-003-2720, 5342-00-009-3939, 2915-00-166-4804 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 838-131?

Key specifications for 838-131: 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. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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