The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-683-4460, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Maritime Applied Physics Corporation Dba Blacksea Technologies. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-683-4460 |
| Primary Part Number | 1542-222-0-001 |
| Item Name | Tensioner Pulley Assembly |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Maritime Applied Physics Corporation Dba Blacksea Technologies |
| 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 |
|---|---|
| 1542-222-0-001 PRIMARY | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
| Reference | Meaning |
|---|---|
| 1542-222-0-001 REV B | D/9 Drawing number reference only Maritime Applied Physics Corporation Dba Blacksea Technologies |
| P004587 REV D ITEM NO 69 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| P004587/ ITEM NO 69 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| F160666 REV J ITEM NO 69 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3950-01-683-4460 is a Tensioner Pulley Assembly, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-683-4460 has 1 manufacturer part number on file: 1542-222-0-001 (Maritime Applied Physics Corporation Dba Blacksea Technologies).
Key specifications for 1542-222-0-001: End Item Identification: TENSIONER,ASD ASSY. 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.