The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-643-3466, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3950-01-643-3466 |
| Primary Part Number | 243-1545 |
| Item Name | Tensioner Pulley Assembly |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 243-1545 | William Adams Pty Ltd (AUS) |
| 243-1545 | Hastings Deering (aust) Pty Ltd (AUS) |
| 243-1545 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 243-1545 | Westrac Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 243-1545 | 5/9 Secondary reference Caterpillar of Australia Pty Ltd |
NSN 3950-01-643-3466 is a Tensioner Pulley Assembly, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-643-3466 has 4 manufacturer part numbers on file: 243-1545 (William Adams Pty Ltd), 243-1545 (Hastings Deering (aust) Pty Ltd), 243-1545 (Caterpillar Inc Div Caterpillar Defense), 243-1545 (Westrac Equipment Pty Ltd).
Key specifications for 243-1545: Part Name Assigned by Controlling Agency: BELT TENSIONER; End Item Identification: CATAPILLAR EQUIPMENT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.