The Adapter Kit,hoisting, cataloged under National Stock Number 3940-01-621-9541, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Mazzella Lifting Technologies, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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 | 3940-01-621-9541 |
| Primary Part Number | 53711-583-5109471 |
| Item Name | Adapter Kit,hoisting |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Mazzella Lifting Technologies, Inc. |
| Status | ACTIVE |
| Component Quantity | 3 |
| Document Type | CATALOG SHEET |
| Supply Items and Quantities | TPXC-1500 1,TPXC-2000 1,1014365 1 |
| Component Document Origin | INDUSTRIAL |
| End Item Name | BOAT,PATROL,34FT,34PB SERIES FT |
| Document Source | 8D826 |
| Usage Location | CONUS |
| 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 |
|---|---|
| 53711-583-5109471 PRIMARY | Mazzella Lifting Technologies, Inc. (USA) |
| 583-5109471 PC 1-3 | Naval Sea Systems Command (USA) |
NSN 3940-01-621-9541 is a Adapter Kit,hoisting, manufactured by Mazzella Lifting Technologies, Inc., classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-621-9541 has 2 manufacturer part numbers on file: 53711-583-5109471 (Mazzella Lifting Technologies, Inc.), 583-5109471 PC 1-3 (Naval Sea Systems Command).
Key specifications for 53711-583-5109471: Component Quantity: 3; Document Type: CATALOG SHEET; Supply Items and Quantities: TPXC-1500 1,TPXC-2000 1,1014365 1; Component Document Origin: INDUSTRIAL. 7 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.