The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-641-0287, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is In Mar Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-641-0287 |
| Primary Part Number | IM-CVN78-452T |
| Item Name | Tensioner Pulley Assembly |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | In Mar Systems Inc |
| 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 |
|---|---|
| IM-CVN-452T | In Mar Systems Inc (USA) |
| IM-CVN78-452T PRIMARY | In Mar Systems Inc (USA) |
NSN 3950-01-641-0287 is a Tensioner Pulley Assembly, manufactured by In Mar Systems Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-641-0287 has 2 manufacturer part numbers on file: IM-CVN-452T (In Mar Systems Inc), IM-CVN78-452T (In Mar Systems Inc).
Key specifications for IM-CVN78-452T: Part Name Assigned by Controlling Agency: IDLE PULLEY W/SPRING (TWIN BLADE). 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.