NSN 3950-01-528-3409 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-528-3409. Manufacturer of record part number: 190-0643.
Also searched as3950-01-528-3409 ·
3950015283409 ·
NIIN 015283409 ·
01-528-3409 ·
FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 11083 · 190-0643 · 3430845 · 3430845 · CV131567
Nearby stock numbers← 3950-01-528-2202 Winch, Drum, Power Operated
·
3950-01-528-8998 Mounting, Hoist Control →
Features
Tensioner Pulley Assembly — FSC 3950
4 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 3950-01-528-3409
NIIN: 015283409
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 190-0643
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-528-3409, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
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 3950-01-528-3409?
NSN 3950-01-528-3409 is a Tensioner Pulley Assembly, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What part numbers are listed for NSN 3950-01-528-3409?
NSN 3950-01-528-3409 has 4 manufacturer part numbers on file: 3430845 (Oshkosh Defense Llc), 190-0643 (Finning (uk) Ltd), CV131567 (Finning (uk) Ltd), 190-0643 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 190-0643?
Key specifications for 190-0643: Special Features: PART OF 189-2221 BELT TIGHTENER GROUP; PART OF 188-2033, 188-2035 ENGINE AR-COMPLETE; Part Name Assigned by Controlling Agency: BELT TIGHTENER; End Item Identification: COOLING GROUP. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3950-01-528-3409 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.