PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4000B20MWinch,drum,power Operated

Ingersoll-Rand Co Material Handling Div · NSN 3950-01-372-6021 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-372-6021 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-372-6021. Primary manufacturer part number: 4000B20M.
Features
  • Winch,drum,power Operated — FSC 3950
  • 3 verified cross-references
  • Primary manufacturer: Ingersoll-Rand Co Material Handling Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Winch,drum,power Operated, cataloged under National Stock Number 3950-01-372-6021, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Ingersoll-Rand Co Material Handling Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWinch,drum,power Operated
FSC / FSG3950 — No Item Name Available (FSG 39)
ManufacturersIngersoll-Rand Co Material Handling Div (CAGE 06550); Ingersoll-Rand Equipment Sales Div of Ingersoll-Rand Co (CAGE 9Y545)
Technical Specifications
ParameterValue
NSN3950-01-372-6021
Primary Part Number4000B20M
Item NameWinch,drum,power Operated
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerIngersoll-Rand Co Material Handling Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-162-5947 INTERCHANGEABLE
Transistor
2040-00-385-9001 INTERCHANGEABLE
Steerer
5960-00-814-7845B5031 INTERCHANGEABLE
Electron Tube
Unisys Corporation Dba Unisys Corp
3950-01-147-1261 INTERCHANGEABLE
Winch,drum,power Operated
Cross-Reference Index
Part NumberManufacturer
4000B20M PRIMARY Ingersoll-Rand Co Material Handling Div (USA)
B5031 Ingersoll-Rand Co Material Handling Div (USA)
M18051 Ingersoll-Rand Equipment Sales Div of Ingersoll-Rand Co (USA)
Related Parts
5961-00-162-5947INTERCHANGEABLE
TRANSISTOR
2040-00-385-9001INTERCHANGEABLE
STEERER
5960-00-814-7845INTERCHANGEABLE
ELECTRON TUBE
B5031
3950-01-147-1261INTERCHANGEABLE
WINCH,DRUM,POWER OPERATED

Frequently Asked Questions

What is NSN 3950-01-372-6021?

NSN 3950-01-372-6021 is a Winch,drum,power Operated, manufactured by Ingersoll-Rand Co Material Handling Div, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-372-6021?

NSN 3950-01-372-6021 has 3 cross-referenced part numbers: 4000B20M (Ingersoll-Rand Co Material Handling Div), B5031 (Ingersoll-Rand Co Material Handling Div), M18051 (Ingersoll-Rand Equipment Sales Div of Ingersoll-Rand Co).

What NSN replaces 3950-01-372-6021?

There are 4 known substitutes for 3950-01-372-6021: 5961-00-162-5947, 2040-00-385-9001, 5960-00-814-7845 and 1 more. Verify interchangeability with system specifications before substitution.

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