The Capstan, cataloged under National Stock Number 3950-00-188-3374, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3950-00-188-3374
Item Name
Capstan
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Status
ACTIVE
Furnished Items and Quantity
1 MOTOR CONTROLLER
Duty Cycle
INTERMITTENT
Capstan Spool Style
CONCAVE HEAD
Inclosure Type
FULLY INCLOSED
Current Type
DC
Capstan Spool Quantity
1
Braking Method
ELECTRIC
Voltage in Volts
115.0
Cooling Method
NONVENTILATED
Travel Rate Per Minute
35.0 FEET FT
Prime Mover Quantity
1
Capstan Spool Surface Design
PLAIN
Environmental Protection
DRIPPROOF
Capstan Spool Mounting Position
VERTICAL
Prime Mover Type
ELECTRIC MOTOR
Largest Diameter
36.000 INCHES NOMINAL FIRST SPOOL IN
Power Requirement Rating
28.80 HORSEPOWER
Operation Method
POWERED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1270-00-403-901061901POSSIBLE MATCH
PISTON
Possible match (shared part number)Cadillac Gage Textron Inc.
1005-00-978-10358448554POSSIBLE MATCH
RING,SLIP,HAND GUARD
Possible match (shared part number)Army, United States Department of the Dba Rock Island Arsenal Jmtc
6680-01-011-8894551-YPOSSIBLE MATCH
TACHOMETER,MECHANICAL,FIXED MOUN
Possible match (shared part number)Stewart-Warner Corporation
4820-01-259-1504061901POSSIBLE MATCH
BALL,VALVE,PORTED
Possible match (shared part number)Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5998-01-326-924661901POSSIBLE MATCH
PRINTED CIRCUIT BOARD
Possible match (shared part number)Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
1660-01-468-13166190-1POSSIBLE MATCH
FUSE,BRAKE HYDRAULI
Possible match (shared part number)Pneudraulics, Inc.
4130-01-526-003961901POSSIBLE MATCH
VACU-DISCS
Possible match (shared part number)Dcm Clean Air Products, Inc.
1680-01-550-9214POSSIBLE MATCH
BEARING,BALL,ANNULR
Possible match (shared part number)
5120-01-603-5851J61901POSSIBLE MATCH
BIT SET,SCREWDRIVER
Possible match (shared part number)The Stanley Works Dba Stanley Proto
5925-01-666-431961901POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Toshiba International Corporation Dba Toshiba International Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
969961
5/2Secondary reference
U.S. Government activity
6190-1
3/9Design control — primary reference
Davies Associates
Related Parts
1270-00-403-9010POSSIBLE MATCH
PISTON
61901
1005-00-978-1035POSSIBLE MATCH
RING,SLIP,HAND GUARD
8448554
6680-01-011-8894POSSIBLE MATCH
TACHOMETER,MECHANICAL,FIXED MOUN
551-Y
4820-01-259-1504POSSIBLE MATCH
BALL,VALVE,PORTED
061901
5998-01-326-9246POSSIBLE MATCH
PRINTED CIRCUIT BOARD
61901
1660-01-468-1316POSSIBLE MATCH
FUSE,BRAKE HYDRAULI
6190-1
4130-01-526-0039POSSIBLE MATCH
VACU-DISCS
61901
1680-01-550-9214POSSIBLE MATCH
BEARING,BALL,ANNULR
5120-01-603-5851POSSIBLE MATCH
BIT SET,SCREWDRIVER
J61901
5925-01-666-4319POSSIBLE MATCH
CIRCUIT BREAKER
61901
Frequently Asked Questions
What is NSN 3950-00-188-3374?
NSN 3950-00-188-3374 is a Capstan, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What NSN replaces 3950-00-188-3374?
10 possible matches (shared part number, not a government interchangeability claim): 1270-00-403-9010, 1005-00-978-1035, 6680-01-011-8894. Verify interchangeability with system specifications before substitution.
What are the specifications of 3950-00-188-3374?
Key specifications for 3950-00-188-3374: Furnished Items and Quantity: 1 MOTOR CONTROLLER; Duty Cycle: INTERMITTENT; Capstan Spool Style: CONCAVE HEAD; Inclosure Type: FULLY INCLOSED. 18 specifications are documented in the U.S. Government catalog.
Is NSN 3950-00-188-3374 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 3950-00-188-3374?
NSN 3950-00-188-3374 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.