PartsTable TECHNICAL DATA SHEET
NSN 3950-01-440-1510Government record, cited

Winch, Drum, Hand Operated3950-01-440-1510

NSN 3950-01-440-1510 · NIIN 014401510 · Part number M4312PB
Thern Inc · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 12437
Government record, cited
NSN 3950-01-440-1510 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-440-1510. Manufacturer of record part number: M4312PB.
Also searched as  3950-01-440-1510 · 3950014401510 · NIIN 014401510 · 01-440-1510 · FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 12437 · M4312PB · 4311PB · 4311PB
Nearby stock numbers  ·
Features
  • Winch,drum,hand Operated — FSC 3950
  • Load Rating: 2000.0 POUNDS MAXIMUM LBS
  • Drum Flange Diameter and Location: 5.500 INCHES NOMINAL FIRST DRUM IN
  • Drum Surface Design: PLAIN
  • Braking Method: MANUAL
  • Mechanical Advantage Method: SPUR GEAR
  • Gear Mechanical Advantage: DOUBLE
  • Unable to Decode: UNABLE TO DECODE
Identification
  • NSN: 3950-01-440-1510
  • NIIN: 014401510
  • FSC: 3950 — Winches, Hoists, Cranes, and Derricks
  • FSG: 39 — Materials Handling Equipment
  • Primary part number: M4312PB
  • Manufacturer: Thern Inc
General Description

The Winch,drum,hand Operated, cataloged under National Stock Number 3950-01-440-1510, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Thern Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3950-01-440-1510
Primary Part NumberM4312PB
Item NameWinch,drum,hand Operated
FSC / FSG3950 / 39 — Winches, Hoists, Cranes, and Derricks
ManufacturerThern Inc
StatusACTIVE
Load Rating2000.0 POUNDS MAXIMUM LBS
Drum Flange Diameter and Location5.500 INCHES NOMINAL FIRST DRUM IN
Drum Surface DesignPLAIN
Braking MethodMANUAL
Mechanical Advantage MethodSPUR GEAR
Gear Mechanical AdvantageDOUBLE
Unable to DecodeUNABLE TO DECODE
Furnished Items and Quantity1 AUTOMATIC SAFETY BRAKE AND 1 MOUNTING BASE AND 1 SHIELD
Operation MethodHAND
Drum Diameter and Location2.500 INCHES NOMINAL FIRST DRUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
M4312PB PRIMARY Thern Inc (USA)
4311PB Phillip's Machine and Welding Company, Inc. Dba Phillips Aerospace Div Phillips Aerospace (USA)
Reference documents
ReferenceMeaning
4311PB 5/9 Secondary reference
Thern Inc
No interchangeability data on file.
Other items in FSC 3950 — Winches, Hoists, Cranes, and Derricks
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3950-00-001-1249
LINING,FRICTION
3950-00-001-3984
3950-00-001-3984 · Item name not on file
3950-00-001-6303
3950-00-001-6303 · Item name not on file
3950-00-001-6304
3950-00-001-6304 · Item name not on file
3950-00-001-6312
3950-00-001-6312 · Item name not on file
3950-00-001-6313
HOIST,TRUCK
3950-00-001-7831
3950-00-001-7831 · Item name not on file
3950-00-001-7834
COOLING COIL,WINCH

Frequently Asked Questions

What is NSN 3950-01-440-1510?

NSN 3950-01-440-1510 is a Winch,drum,hand Operated, manufactured by Thern Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.

What part numbers are listed for NSN 3950-01-440-1510?

NSN 3950-01-440-1510 has 2 manufacturer part numbers on file: M4312PB (Thern Inc), 4311PB (Phillip's Machine and Welding Company, Inc. Dba Phillips Aerospace Div Phillips Aerospace).

What are the specifications of M4312PB?

Key specifications for M4312PB: Load Rating: 2000.0 POUNDS MAXIMUM LBS; Drum Flange Diameter and Location: 5.500 INCHES NOMINAL FIRST DRUM IN; Drum Surface Design: PLAIN; Braking Method: MANUAL. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3950-01-440-1510 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.

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.
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