PartsTable TECHNICAL DATA SHEET

NSN 3950-01-718-8229Government record, cited

Tensioner Pulley Assembly3950-01-718-8229

NSN 3950-01-718-8229 · NIIN 017188229 · Part number 21856-01

Muviq Usa, Llc · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 20796

Government record, cited

NSN 3950-01-718-8229 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-718-8229. Manufacturer of record part number: 21856-01.

Also searched as 3950-01-718-8229 · 3950017188229 · NIIN 017188229 · 01-718-8229 · FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 20796 · 21856-01 · 12640507

Nearby stock numbers ← 3950-01-718-6456 Hoist, Chain · 3950-01-719-2715 Tensioner Pulley Assembly →

Features

Tensioner Pulley Assembly — FSC 3950
1 manufacturer part number on file
Manufacturer of record: Muviq Usa, Llc

Identification

NSN: 3950-01-718-8229
NIIN: 017188229
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 21856-01
Manufacturer: Muviq Usa, Llc

General Description

The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-718-8229, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Muviq Usa, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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

Parameter	Value
NSN	3950-01-718-8229
Primary Part Number	21856-01
Item Name	Tensioner Pulley Assembly
FSC / FSG	3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer	Muviq Usa, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
21856-01 PRIMARY	Muviq Usa, Llc (USA)

Reference documents

Reference	Meaning
12640507	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 3950-01-718-8229?

NSN 3950-01-718-8229 is a Tensioner Pulley Assembly, manufactured by Muviq Usa, Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.

What part numbers are listed for NSN 3950-01-718-8229?

NSN 3950-01-718-8229 has 1 manufacturer part number on file: 21856-01 (Muviq Usa, Llc).

What are the specifications of 21856-01?

Key specifications for 21856-01: Special Features: UPGRADE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3950-01-718-8229 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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