The Tow Swivel Head, cataloged under National Stock Number 3940-01-602-7138, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Maritime Applied Physics Corporation Dba Blacksea Technologies. 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 | 3940-01-602-7138 |
| Primary Part Number | 231-1-003 |
| Item Name | Tow Swivel Head |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| 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 |
|---|---|
| 270-0-004 REV - ITEM NO.1 | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
| 231-1-003 PRIMARY | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
NSN 3940-01-602-7138 is a Tow Swivel Head, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-602-7138 has 2 manufacturer part numbers on file: 270-0-004 REV - ITEM NO.1 (Maritime Applied Physics Corporation Dba Blacksea Technologies), 231-1-003 (Maritime Applied Physics Corporation Dba Blacksea Technologies).
Key specifications for 231-1-003: End Item Identification: UPDATE. 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.