The Gear and Drum,winch, cataloged under National Stock Number 3950-00-997-2330, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Arcosa Marine Components, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Gear and Drum,winch |
| FSC / FSG | 3950 — Winches, Hoists, Cranes, and Derricks (FSG 39) |
| Manufacturers | Arcosa Marine Components, Llc (CAGE 1NH57) |
| Parameter | Value |
|---|---|
| NSN | 3950-00-997-2330 |
| Primary Part Number | B258-2SD-12 |
| Item Name | Gear and Drum,winch |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Arcosa Marine Components, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| B258-2SD-12 PRIMARY | Arcosa Marine Components, Llc (USA) |
| Reference | Meaning |
|---|---|
| H4M | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| H4M | 5/9 Secondary reference Ingersoll-Rand Co Material Handling Div |
| H4M | 3/9 Design control — primary reference Ingersoll-Rand Co Power Tool Div |
NSN 3950-00-997-2330 is a Gear and Drum,winch, manufactured by Arcosa Marine Components, Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-997-2330 has 1 manufacturer part number on file: B258-2SD-12 (Arcosa Marine Components, Llc).
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.