PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PMP21091Coupling,pump

Torc Tec Calibrations, Inc · NSN 4730-01-293-6755 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-293-6755 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-293-6755. Primary manufacturer part number: PMP21091.
Features
  • Coupling,pump — FSC 4730
  • 5 verified cross-references
  • Primary manufacturer: Torc Tec Calibrations, Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Coupling,pump, cataloged under National Stock Number 4730-01-293-6755, 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 Torc Tec Calibrations, Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCoupling,pump
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersBosch Automotive Service Solutions Inc. (CAGE 45225); Spx Fluid Power (CAGE 0PFG7); Torc Tec Calibrations, Inc (CAGE 3J738); Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (CAGE 80020)
Technical Specifications
ParameterValue
NSN4730-01-293-6755
Primary Part NumberPMP21091
Item NameCoupling,pump
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTorc Tec Calibrations, Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-156-3523204FFSL107E306A78X6945R INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5985-00-192-3956 INTERCHANGEABLE
Attenuator,fixed
5950-00-220-992421091 INTERCHANGEABLE
Transformer,power
Astec America Inc.
5998-00-563-0569 INTERCHANGEABLE
Circuit Card Assembly
5930-01-084-986828181 INTERCHANGEABLE
Switch,rotary
Janco Corporation Dba Janco Corp Div Mason Controls
3040-01-110-364328-181 INTERCHANGEABLE
Shaft,straight
Hoyt Corporation
1650-01-246-8911AH5-23 INTERCHANGEABLE
Disc,index
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
5940-01-313-204228181 INTERCHANGEABLE
Terminal,lug
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5360-01-387-647721091 INTERCHANGEABLE
Spring,helical,extension
Science Applications International Corporation
3040-01-449-02532109-036 INTERCHANGEABLE
Shaft,shouldered
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
28181 Bosch Automotive Service Solutions Inc. (USA)
21091 Spx Fluid Power (USA)
PMP21091 PRIMARY Torc Tec Calibrations, Inc (USA)
21091 Bosch Automotive Service Solutions Inc. (USA)
523846-PMP21091 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
3110-00-156-3523INTERCHANGEABLE
BEARING,BALL,ANNULAR
204FFSL107E306A78X6945R
5985-00-192-3956INTERCHANGEABLE
ATTENUATOR,FIXED
5950-00-220-9924INTERCHANGEABLE
TRANSFORMER,POWER
21091
5998-00-563-0569INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-084-9868INTERCHANGEABLE
SWITCH,ROTARY
28181
3040-01-110-3643INTERCHANGEABLE
SHAFT,STRAIGHT
28-181
1650-01-246-8911INTERCHANGEABLE
DISC,INDEX
AH5-23
5940-01-313-2042INTERCHANGEABLE
TERMINAL,LUG
28181
5360-01-387-6477INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
21091
3040-01-449-0253INTERCHANGEABLE
SHAFT,SHOULDERED
2109-036
4920-01-620-6641INTERCHANGEABLE
NRP,NOZZLE-TUNGSTEN
21091

Frequently Asked Questions

What is NSN 4730-01-293-6755?

NSN 4730-01-293-6755 is a Coupling,pump, manufactured by Torc Tec Calibrations, Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-293-6755?

NSN 4730-01-293-6755 has 5 cross-referenced part numbers: 28181 (Bosch Automotive Service Solutions Inc.), 21091 (Spx Fluid Power), PMP21091 (Torc Tec Calibrations, Inc), 21091 (Bosch Automotive Service Solutions Inc.), 523846-PMP21091 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 4730-01-293-6755?

There are 11 known substitutes for 4730-01-293-6755: 3110-00-156-3523, 5985-00-192-3956, 5950-00-220-9924 and 8 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-293-6755 still in active supply?

NSN 4730-01-293-6755 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com