PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13831Reducer,pipe

Bosch Automotive Service Solutions Inc. · NSN 4730-01-106-0316 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-106-0316 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-106-0316. Primary manufacturer part number: 13831.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Thread Size: 0.375 INCHES FIRST END IN
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Material: STEEL COMP 4140 OVERALL
  • Thread Series Designator: NPT ALL ENDS
  • Reducer Type: CONCENTRIC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-106-0316, 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 Bosch Automotive Service Solutions Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-106-0316
Primary Part Number13831
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
Nominal Thread Size0.375 INCHES FIRST END IN
Nominal Thread Size0.250 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
MaterialSTEEL COMP 4140 OVERALL
Thread Series DesignatorNPT ALL ENDS
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-004-7597920011-5 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5950-00-738-6415SM-C-502640-1 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-01-243-317013831 INTERCHANGEABLE
Post,limit Switch,valve Actuator
Cooper Cameron Corp Cooper Cameron Valves Div
5985-01-279-3757 INTERCHANGEABLE
Waveguide Assembly
5360-01-318-674417862-14 INTERCHANGEABLE
Spring,helical,compression
Imi Cash Valve Inc
3120-01-322-0469 INTERCHANGEABLE
Bushing,sleeve
6530-01-504-356613831 INTERCHANGEABLE
Tray,procedure
Advanced Sterilization Products Services Inc.
5340-01-728-060613-831 INTERCHANGEABLE
Plate,mounting
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
13831 Bosch Automotive Service Solutions Inc. (USA)
PWA51409/7 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5950-00-004-7597INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-5
5950-00-738-6415INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-502640-1
4820-01-243-3170INTERCHANGEABLE
POST,LIMIT SWITCH,VALVE ACTUATOR
13831
5985-01-279-3757INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5360-01-318-6744INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
17862-14
3120-01-322-0469INTERCHANGEABLE
BUSHING,SLEEVE
6530-01-504-3566INTERCHANGEABLE
TRAY,PROCEDURE
13831
5340-01-728-0606INTERCHANGEABLE
PLATE,MOUNTING
13-831

Frequently Asked Questions

What is NSN 4730-01-106-0316?

NSN 4730-01-106-0316 is a Reducer,pipe, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-106-0316?

NSN 4730-01-106-0316 has 2 cross-referenced part numbers: 13831 (Bosch Automotive Service Solutions Inc.), PWA51409/7 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-01-106-0316?

There are 8 known substitutes for 4730-01-106-0316: 5950-00-004-7597, 5950-00-738-6415, 4820-01-243-3170 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13831?

Key specifications for 13831: Nominal Thread Size: 0.375 INCHES FIRST END IN; Nominal Thread Size: 0.250 INCHES SECOND END IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS. 7 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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