The Ramp,loading,vehicle, cataloged under National Stock Number 3990-01-347-2641, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Ramp,loading,vehicle |
| FSC / FSG | 3990 — Miscellaneous Materials Handling Equipment (FSG 39) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); 2is Inc. (CAGE 1ZKD0) |
| Parameter | Value |
|---|---|
| NSN | 3990-01-347-2641 |
| Primary Part Number | SW33952-1 |
| Item Name | Ramp,loading,vehicle |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| SW33952-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| SW33952-1 | 2is Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3990013472641 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| SW28503-1 | 5/9 Secondary reference U.S. Government activity |
| SW33952-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3990-01-347-2641 is a Ramp,loading,vehicle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-347-2641 has 2 manufacturer part numbers on file: SW33952-1 (U S Army Tank Automotive Command Amsta-Im-Mm), SW33952-1 (2is Inc.).
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.