PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-10457Winch,drum,power Operated

Macgregor Sweden Ab · NSN 3950-01-435-1905 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-435-1905 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-435-1905. Primary manufacturer part number: 21-10457.
Features
  • Winch,drum,power Operated — FSC 3950
  • Prime Mover Type: HYDRAULIC MOTOR
  • Unable to Decode: UNABLE TO DECODE
  • Drum Diameter and Location: 31.500 INCHES NOMINAL FIRST DRUM IN
  • Operation Method: POWERED
  • Drum Flange Diameter: 58.700 INCHES NOMINAL FIRST DRUM IN
  • Braking Method: HYDRAULIC
  • Cooling Method: ANY ACCEPTABLE
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 3950-01-435-1905, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Macgregor Sweden Ab. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN3950-01-435-1905
Primary Part Number21-10457
Item NameWinch,drum,power Operated
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerMacgregor Sweden Ab
StatusACTIVE
Prime Mover TypeHYDRAULIC MOTOR
Unable to DecodeUNABLE TO DECODE
Drum Diameter and Location31.500 INCHES NOMINAL FIRST DRUM IN
Operation MethodPOWERED
Drum Flange Diameter58.700 INCHES NOMINAL FIRST DRUM IN
Braking MethodHYDRAULIC
Cooling MethodANY ACCEPTABLE
Drum Surface DesignGROOVED
Prime Mover Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-430-8929P3-14002-5-10 INTERCHANGEABLE
Plate,nozzle,manifold
Macgregor Sweden Ab
3950-01-433-0026 INTERCHANGEABLE
Magnet,winch
3040-01-434-2408 INTERCHANGEABLE
Pawl
4720-01-434-7752 INTERCHANGEABLE
Hose,nonmetallic
3950-01-435-1885711598 INTERCHANGEABLE
Drum,winch
Bosch Rexroth Ab
3950-01-435-1911WP-64 INTERCHANGEABLE
Housing Part,mechanical Drive
Bosch Rexroth Ab
3950-01-435-1912711585 INTERCHANGEABLE
Support,winch
Bosch Rexroth Ab
3950-01-435-1915731917 INTERCHANGEABLE
Support,motor,winch
Bosch Rexroth Ab
3950-01-435-1918721731 INTERCHANGEABLE
Support,motor,winch
Bosch Rexroth Ab
3950-01-435-1921BB-46-K-SO INTERCHANGEABLE
Support,motor,winch
Bosch Rexroth Ab
Cross-Reference Index
Part NumberManufacturer
589-6953091 Military Sealift Command Dba Military Sealift Command Div Department of the Navy (USA)
21-10457 PRIMARY Macgregor Sweden Ab (SWE)
21-10457 Macgregor Sweden Ab (SWE)
Related Parts
4820-01-430-8929INTERCHANGEABLE
PLATE,NOZZLE,MANIFOLD
P3-14002-5-10
3950-01-433-0026INTERCHANGEABLE
MAGNET,WINCH
3040-01-434-2408INTERCHANGEABLE
PAWL
4720-01-434-7752INTERCHANGEABLE
HOSE,NONMETALLIC
3950-01-435-1885INTERCHANGEABLE
DRUM,WINCH
711598
3950-01-435-1911INTERCHANGEABLE
HOUSING PART,MECHANICAL DRIVE
WP-64
3950-01-435-1912INTERCHANGEABLE
SUPPORT,WINCH
711585
3950-01-435-1915INTERCHANGEABLE
SUPPORT,MOTOR,WINCH
731917
3950-01-435-1918INTERCHANGEABLE
SUPPORT,MOTOR,WINCH
721731
3950-01-435-1921INTERCHANGEABLE
SUPPORT,MOTOR,WINCH
BB-46-K-SO
3950-01-435-1925INTERCHANGEABLE
SUPPORT,MOTOR,WINCH
731913
4730-01-484-0924INTERCHANGEABLE
ELBOW,TUBE
149939

Frequently Asked Questions

What is NSN 3950-01-435-1905?

NSN 3950-01-435-1905 is a Winch,drum,power Operated, manufactured by Macgregor Sweden Ab, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-435-1905?

NSN 3950-01-435-1905 has 3 cross-referenced part numbers: 589-6953091 (Military Sealift Command Dba Military Sealift Command Div Department of the Navy), 21-10457 (Macgregor Sweden Ab), 21-10457 (Macgregor Sweden Ab).

What NSN replaces 3950-01-435-1905?

There are 12 known substitutes for 3950-01-435-1905: 4820-01-430-8929, 3950-01-433-0026, 3040-01-434-2408 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-10457?

Key specifications for 21-10457: Prime Mover Type: HYDRAULIC MOTOR; Unable to Decode: UNABLE TO DECODE; Drum Diameter and Location: 31.500 INCHES NOMINAL FIRST DRUM IN; Operation Method: POWERED. 10 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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