The Block,shifter, cataloged under National Stock Number 2520-01-221-1483, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Link-Belt Cranes, L.p., Lllp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Block,shifter |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Morris Material Handling, Inc. (CAGE 27315); Dana Commercial Vehicle Products, Llc (CAGE 52304); Link-Belt Cranes, L.p., Lllp (CAGE 2Y614) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-221-1483 |
| Primary Part Number | 3A791 |
| Item Name | Block,shifter |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Link-Belt Cranes, L.p., Lllp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2520-01-221-1483 is a Block,shifter, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-221-1483 has 3 manufacturer part numbers on file: 1015Z1123 (Morris Material Handling, Inc.), 14658 (Dana Commercial Vehicle Products, Llc), 3A791 (Link-Belt Cranes, L.p., Lllp).
2 possible matches (shared part number, not a government interchangeability claim): 1730-01-359-2836, 6550-01-579-2739. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.