The Hoist,chain, cataloged under National Stock Number 3950-01-440-9557, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Columbus Mckinnon Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3950-01-440-9557 |
| Primary Part Number | 2233A |
| Item Name | Hoist,chain |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Columbus Mckinnon Corp |
| Status | ACTIVE |
| Raised Position Distance Between Suspension Hook and Load Hook Bearing Surface | 19.000 INCHES NOMINAL IN |
| Load Rating | 4000.0 POUNDS MAXIMUM LBS |
| Mounting Method | HOOK SUSPENSION |
| Hook Quantity | 2 |
| Center to Center Distance Between Load Elements | 17.000 FEET NOMINAL FT |
| Load Element Quantity Per Hook | 1 |
| Chain Type | ROLLER LINK |
| Maximum Lift Height | 20.0 FEET FT |
| Operation Method | HAND |
| 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 |
|---|---|
| 2233A PRIMARY | Columbus Mckinnon Corp (USA) |
| Reference | Meaning |
|---|---|
| 2233 | 3/9 Design control — primary reference Columbus Mckinnon Corp Cm Chain Div |
| 2206C | 5/9 Secondary reference Columbus Mckinnon Corp Cm Chain Div |
| 2233 | 5/9 Secondary reference Columbus Mckinnon Corp |
NSN 3950-01-440-9557 is a Hoist,chain, manufactured by Columbus Mckinnon Corp, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-440-9557 has 1 manufacturer part number on file: 2233A (Columbus Mckinnon Corp).
Key specifications for 2233A: Raised Position Distance Between Suspension Hook and Load Hook Bearing Surface: 19.000 INCHES NOMINAL IN; Load Rating: 4000.0 POUNDS MAXIMUM LBS; Mounting Method: HOOK SUSPENSION; Hook Quantity: 2. 9 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.