The Chain Assembly,single Leg, cataloged under National Stock Number 4010-01-249-0548, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Columbus Mckinnon Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 — Chain and Wire Rope (FSG 40) |
| Manufacturers | Peerless Chain Company Dba Peerless Chain Co Inc (CAGE 46156); Sonkin Enterprises, Inc. (CAGE 00H54); Columbus Mckinnon Corp (CAGE 2H856) |
| Parameter | Value |
|---|---|
| NSN | 4010-01-249-0548 |
| Primary Part Number | S990022 |
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Columbus Mckinnon Corp |
| 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 |
|---|---|
| AL1AMD17 | Peerless Chain Company Dba Peerless Chain Co Inc (USA) |
| RF51010 | Sonkin Enterprises, Inc. (USA) |
| S990022 PRIMARY | Columbus Mckinnon Corp (USA) |
| Reference | Meaning |
|---|---|
| 00044-9973 | 5/9 Secondary reference U.S. Government activity |
| AL1AMD17 | 3/9 Design control — primary reference Peerless Chain Company Dba Weissenfels Usa Div Peerless Chain Co |
| 1307530 | 7/9 Vendor item drawing reference Oshkosh Corp |
| 00044-9973 | 5/9 Secondary reference U.S. Government activity |
| 00044-9973 | 5/9 Secondary reference Apex Tool Group, Llc |
| 1307530 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4010-01-249-0548 is a Chain Assembly,single Leg, manufactured by Columbus Mckinnon Corp, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-249-0548 has 3 manufacturer part numbers on file: AL1AMD17 (Peerless Chain Company Dba Peerless Chain Co Inc), RF51010 (Sonkin Enterprises, Inc.), S990022 (Columbus Mckinnon Corp).
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.