The Chain Assembly, cataloged under National Stock Number 3960-00-906-3961, is classified within Federal Supply Class 3960 (Freight Elevators) of the Materials Handling Equipment group. The manufacturer of record is Federal Equipment Co. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Chain Assembly |
| FSC / FSG | 3960 — Freight Elevators (FSG 39) |
| Manufacturers | Federal Equipment Co (CAGE 60587); Eriez Magnetics (CAGE 03395) |
| Parameter | Value |
|---|---|
| NSN | 3960-00-906-3961 |
| Primary Part Number | TW0104 |
| Item Name | Chain Assembly |
| FSC / FSG | 3960 / 39 — Freight Elevators |
| Manufacturer | Federal Equipment Co |
| 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 |
|---|---|
| TW0104 PRIMARY | Federal Equipment Co (USA) |
| 108-2921B PRIMARY | Eriez Magnetics (USA) |
| 4054WPC35 | Eriez Magnetics (USA) |
| 2921BPC108 | Eriez Magnetics (USA) |
| 4488WPC35 | Eriez Magnetics (USA) |
| Reference | Meaning |
|---|---|
| 2921B | C/1 Advisory reference — outside the item-of-supply concept Eriez Magnetics |
| A220157 | C/1 Advisory reference — outside the item-of-supply concept Federal Equipment Company Dba Use CAGE Code 60587 for Cataloging |
NSN 3960-00-906-3961 is a Chain Assembly, manufactured by Federal Equipment Co, classified under FSC 3960, Freight Elevators. Status: active.
NSN 3960-00-906-3961 has 5 manufacturer part numbers on file: TW0104 (Federal Equipment Co), 108-2921B (Eriez Magnetics), 4054WPC35 (Eriez Magnetics), 2921BPC108 (Eriez Magnetics), 4488WPC35 (Eriez Magnetics).
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.