PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3977Winch,drum,power Operated

Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division · NSN 3950-01-147-1261 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-147-1261 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-147-1261. Primary manufacturer part number: 3977.
Features
  • Winch,drum,power Operated — FSC 3950
  • Prime Mover Quantity: 1
  • Power Requirement Rating: 5.00 HORSEPOWER
  • Operation Method: POWERED
  • Phase: THREE
  • Prime Mover Type: ELECTRIC MOTOR
  • Current Type: AC
  • 7 verified cross-references
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 3950-01-147-1261, 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 Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN3950-01-147-1261
Primary Part Number3977
Item NameWinch,drum,power Operated
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerIngersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
StatusACTIVE
Prime Mover Quantity1
Power Requirement Rating5.00 HORSEPOWER
Operation MethodPOWERED
PhaseTHREE
Prime Mover TypeELECTRIC MOTOR
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-101-08573977 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5961-00-162-5947 INTERCHANGEABLE
Transistor
6210-00-243-00573850RED INTERCHANGEABLE
Lens,light
Bryant Electric
2915-00-703-7091 INTERCHANGEABLE
Disk Rear Plate
5950-00-802-33421047389 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc.
5960-00-814-7845B5031 INTERCHANGEABLE
Electron Tube
Unisys Corporation Dba Unisys Corp
3020-01-146-011954096 INTERCHANGEABLE
Sprocket Wheel
Ingersoll-Rand Co Material Handling Div
3020-01-146-591350397 INTERCHANGEABLE
Chain,roller
Ingersoll-Rand Co Material Handling Div
6520-01-248-54337000053348 INTERCHANGEABLE
Crown,dental,temporary
Solventum Us Llc
3950-01-372-60214000B20M INTERCHANGEABLE
Winch,drum,power Operated
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
3977 Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA)
3977 Ingersoll-Rand Co Material Handling Div (USA)
B-5031 Ingersoll-Rand Co Material Handling Div (USA)
6000B20 Ingersoll-Rand Co Power Tool Div (USA)
6000B20 Ingersoll-Rand Co Material Handling Div (USA)
3977 Ingersoll-Rand Co Power Tool Div (USA)
6000B20 Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA)
Related Parts
3110-00-101-0857INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3977
5961-00-162-5947INTERCHANGEABLE
TRANSISTOR
6210-00-243-0057INTERCHANGEABLE
LENS,LIGHT
3850RED
2915-00-703-7091INTERCHANGEABLE
DISK REAR PLATE
5950-00-802-3342INTERCHANGEABLE
REACTOR
1047389
5960-00-814-7845INTERCHANGEABLE
ELECTRON TUBE
B5031
3020-01-146-0119INTERCHANGEABLE
SPROCKET WHEEL
54096
3020-01-146-5913INTERCHANGEABLE
CHAIN,ROLLER
50397
6520-01-248-5433INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053348
3950-01-372-6021INTERCHANGEABLE
WINCH,DRUM,POWER OPERATED
4000B20M
2530-01-465-5168INTERCHANGEABLE
BRAKE,EXPANDER TUBE
2S5025
6515-01-553-2144INTERCHANGEABLE
BATTERY CHARGER,BLOOD WARMER
8700-0618-01

Frequently Asked Questions

What is NSN 3950-01-147-1261?

NSN 3950-01-147-1261 is a Winch,drum,power Operated, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-147-1261?

NSN 3950-01-147-1261 has 7 cross-referenced part numbers: 3977 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), 3977 (Ingersoll-Rand Co Material Handling Div), B-5031 (Ingersoll-Rand Co Material Handling Div), 6000B20 (Ingersoll-Rand Co Power Tool Div), 6000B20 (Ingersoll-Rand Co Material Handling Div) and 2 more.

What NSN replaces 3950-01-147-1261?

There are 12 known substitutes for 3950-01-147-1261: 3110-00-101-0857, 5961-00-162-5947, 6210-00-243-0057 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3977?

Key specifications for 3977: Prime Mover Quantity: 1; Power Requirement Rating: 5.00 HORSEPOWER; Operation Method: POWERED; Phase: THREE. 6 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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