The Catwalk,lh, cataloged under National Stock Number 3990-01-461-0443, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is G T Machining and Fabricating Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Catwalk,lh |
| FSC / FSG | 3990 — Miscellaneous Materials Handling Equipment (FSG 39) |
| Manufacturers | G T Machining and Fabricating Ltd (CAGE 3AR59); Bombardier Inc (CAGE 0CHW9) |
| Parameter | Value |
|---|---|
| NSN | 3990-01-461-0443 |
| Primary Part Number | A6210610 |
| Item Name | Catwalk,lh |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | G T Machining and Fabricating Ltd |
| 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 |
NSN 3990-01-461-0443 is a Catwalk,lh, manufactured by G T Machining and Fabricating Ltd, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-461-0443 has 2 manufacturer part numbers on file: A6210610 (G T Machining and Fabricating Ltd), A6210610 (Bombardier Inc).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-529-8686. Verify interchangeability with system specifications before substitution.
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.