PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB-46-K-SOSupport,motor,winch

Bosch Rexroth Ab · NSN 3950-01-435-1921 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-435-1921 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-435-1921. Primary manufacturer part number: BB-46-K-SO.
Features
  • Support,motor,winch — FSC 3950
  • General Characteristics Item Description: FRONT BRACKET
  • 8 verified cross-references
  • Primary manufacturer: Bosch Rexroth Ab
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Support,motor,winch, cataloged under National Stock Number 3950-01-435-1921, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Bosch Rexroth Ab. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN3950-01-435-1921
Primary Part NumberBB-46-K-SO
Item NameSupport,motor,winch
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerBosch Rexroth Ab
StatusACTIVE
General Characteristics Item DescriptionFRONT BRACKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-715-9018142447 INTERCHANGEABLE
Post
Telemechanics Inc
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
3950-01-435-190521-10457 INTERCHANGEABLE
Winch,drum,power Operated
Macgregor Sweden 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
Cross-Reference Index
Part NumberManufacturer
R939002855 Bosch Rexroth Ab (SWE)
BB-46-K-SO PRIMARY Bosch Rexroth Ab (SWE)
142447 Hagglunds Drive Production Ab (SWE)
BB-46-K-SO Hagglunds Drive Production Ab (SWE)
589-6953091 Military Sealift Command Dba Military Sealift Command Div Department of the Navy (USA)
589-6953091 REV C ITEM 08 Military Sealift Command Dba Military Sealift Command Div Department of the Navy (USA)
142447 Bosch Rexroth Ab (SWE)
BB-46-K-SO Macgregor Usa Inc. Div Macgregor Usa (USA)
Related Parts
5815-00-715-9018INTERCHANGEABLE
POST
142447
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
3950-01-435-1905INTERCHANGEABLE
WINCH,DRUM,POWER OPERATED
21-10457
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
3950-01-435-1925INTERCHANGEABLE
SUPPORT,MOTOR,WINCH
731913

Frequently Asked Questions

What is NSN 3950-01-435-1921?

NSN 3950-01-435-1921 is a Support,motor,winch, manufactured by Bosch Rexroth Ab, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-435-1921?

NSN 3950-01-435-1921 has 8 cross-referenced part numbers: R939002855 (Bosch Rexroth Ab), BB-46-K-SO (Bosch Rexroth Ab), 142447 (Hagglunds Drive Production Ab), BB-46-K-SO (Hagglunds Drive Production Ab), 589-6953091 (Military Sealift Command Dba Military Sealift Command Div Department of the Navy) and 3 more.

What NSN replaces 3950-01-435-1921?

There are 12 known substitutes for 3950-01-435-1921: 5815-00-715-9018, 4820-01-430-8929, 3950-01-433-0026 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BB-46-K-SO?

Key specifications for BB-46-K-SO: End Item Identification: NAVY WEAPON SYSTEM CODE TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Special Features: USED ON SLEWING STERN RAMP SYSTEM, MAIN WINCH "WI", STBD, LEFT HA ND; General Characteristics Item Description: FRONT BRACKET. 3 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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