The Element Tensioner,assembly, cataloged under National Stock Number 3950-01-645-3209, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Element Tensioner,assembly |
| FSC / FSG | 3950 — Winches, Hoists, Cranes, and Derricks (FSG 39) |
| Manufacturers | Hydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 3950-01-645-3209 |
| Primary Part Number | 3305AS1490-1 |
| Item Name | Element Tensioner,assembly |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International 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 |
|---|---|
| 3305AS1490-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| 3305AS1490-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3305AS1490-1 | 5/9 Secondary reference Azachorok Contract Services, Llc. |
NSN 3950-01-645-3209 is a Element Tensioner,assembly, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-645-3209 has 2 manufacturer part numbers on file: 3305AS1490-1 (Hydraulics International, Inc. Dba Hydraulics International Inc), 3305AS1490-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
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.