PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-10458Winch,drum,power Operated

Macgregor Usa Inc. Div Macgregor Usa · NSN 3950-01-432-9450 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-432-9450 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-432-9450. Primary manufacturer part number: 21-10458.
Features
  • Winch,drum,power Operated — FSC 3950
  • Prime Mover Type: HYDRAULIC MOTOR
  • Prime Mover Quantity: 2
  • Operation Method: POWERED
  • 5 verified cross-references
  • Primary manufacturer: Macgregor Usa Inc. Div Macgregor Usa
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 3950-01-432-9450, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Macgregor Usa Inc. Div Macgregor Usa. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3950-01-432-9450
Primary Part Number21-10458
Item NameWinch,drum,power Operated
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerMacgregor Usa Inc. Div Macgregor Usa
StatusACTIVE
Prime Mover TypeHYDRAULIC MOTOR
Prime Mover Quantity2
Operation MethodPOWERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-01-432-3532 INTERCHANGEABLE
Plug,pipe
5975-01-432-4405 INTERCHANGEABLE
Cabinet,electrical Equipment
3950-01-432-9451 INTERCHANGEABLE
Sleeve,drum,winch
3950-01-433-0012 INTERCHANGEABLE
Plate,nozzle,winch
3950-01-433-0026 INTERCHANGEABLE
Magnet,winch
3040-01-433-7126 INTERCHANGEABLE
Cylinder Assembly,actuating,line
3950-01-434-1494 INTERCHANGEABLE
Drum,winch
3040-01-434-2408 INTERCHANGEABLE
Pawl
3040-01-434-2411 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
3950-01-434-2415 INTERCHANGEABLE
Support,winch
Cross-Reference Index
Part NumberManufacturer
21-10458 Macgregor Usa Inc. Div Macgregor Usa (USA)
589-6953092 Military Sealift Command Dba Military Sealift Command Div Department of the Navy (USA)
589-6953092 REV C Military Sealift Command Dba Military Sealift Command Div Department of the Navy (USA)
21-10458 Macgregor Sweden Ab (SWE)
21-10458 Macgregor Sweden Ab (SWE)
Related Parts
4730-01-432-3532INTERCHANGEABLE
PLUG,PIPE
5975-01-432-4405INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
3950-01-432-9451INTERCHANGEABLE
SLEEVE,DRUM,WINCH
3950-01-433-0012INTERCHANGEABLE
PLATE,NOZZLE,WINCH
3950-01-433-0026INTERCHANGEABLE
MAGNET,WINCH
3040-01-433-7126INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
3950-01-434-1494INTERCHANGEABLE
DRUM,WINCH
3040-01-434-2408INTERCHANGEABLE
PAWL
3040-01-434-2411INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
3950-01-434-2415INTERCHANGEABLE
SUPPORT,WINCH

Frequently Asked Questions

What is NSN 3950-01-432-9450?

NSN 3950-01-432-9450 is a Winch,drum,power Operated, manufactured by Macgregor Usa Inc. Div Macgregor Usa, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-432-9450?

NSN 3950-01-432-9450 has 5 cross-referenced part numbers: 21-10458 (Macgregor Usa Inc. Div Macgregor Usa), 589-6953092 (Military Sealift Command Dba Military Sealift Command Div Department of the Navy), 589-6953092 REV C (Military Sealift Command Dba Military Sealift Command Div Department of the Navy), 21-10458 (Macgregor Sweden Ab), 21-10458 (Macgregor Sweden Ab).

What NSN replaces 3950-01-432-9450?

There are 10 known substitutes for 3950-01-432-9450: 4730-01-432-3532, 5975-01-432-4405, 3950-01-432-9451 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-10458?

Key specifications for 21-10458: Prime Mover Type: HYDRAULIC MOTOR; Prime Mover Quantity: 2; Special Features: NAVY W/S CODE TH STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Operation Method: POWERED. 4 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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