PartsTable TECHNICAL DATA SHEET
NSN 3950-01-479-5871Government record, cited

Drum, Hoist3950-01-479-5871

NSN 3950-01-479-5871 · NIIN 014795871 · Part number M4021PB-S
Thern Inc · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 12437
Government record, cited
NSN 3950-01-479-5871 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-479-5871. Manufacturer of record part number: M4021PB-S.
Also searched as  3950-01-479-5871 · 3950014795871 · NIIN 014795871 · 01-479-5871 · FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 12437 · M4021PB-S · 12443027
Nearby stock numbers  ·
Features
  • Drum,hoist — FSC 3950
  • 1 manufacturer part number on file
  • Manufacturer of record: Thern Inc
Identification
  • NSN: 3950-01-479-5871
  • NIIN: 014795871
  • FSC: 3950 — Winches, Hoists, Cranes, and Derricks
  • FSG: 39 — Materials Handling Equipment
  • Primary part number: M4021PB-S
  • Manufacturer: Thern Inc
General Description

The Drum,hoist, cataloged under National Stock Number 3950-01-479-5871, 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. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN3950-01-479-5871
Primary Part NumberM4021PB-S
Item NameDrum,hoist
FSC / FSG3950 / 39 — Winches, Hoists, Cranes, and Derricks
ManufacturerThern Inc
StatusACTIVE
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
M4021PB-S PRIMARY Thern Inc (USA)
Reference documents
ReferenceMeaning
12443027 7/2 Vendor item drawing reference
U S Army Tank Automotive Command Amsta-Im-Mm
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 3950-01-479-5871?

NSN 3950-01-479-5871 is a Drum,hoist, manufactured by Thern Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.

What part numbers are listed for NSN 3950-01-479-5871?

NSN 3950-01-479-5871 has 1 manufacturer part number on file: M4021PB-S (Thern Inc).

What are the specifications of M4021PB-S?

Key specifications for M4021PB-S: Special Features: LIFTING CAPACITY: 300 LBS MAX LBS; Part Name Assigned by Controlling Agency: WINCH, LANDING GEAR; End Item Identification: MTVT/LMTVT; NHA: 12441131. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3950-01-479-5871 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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