The Ramp,loading,vehicle, cataloged under National Stock Number 3990-01-444-3744, 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. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3990-01-444-3744 |
| Primary Part Number | 12421484-001 |
| 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 |
| Track Quantity | 1 |
| Track Overall Width | 118.5 MILLIMETERS NOMINAL MM |
| Track Overall Length | 202.5 MILLIMETERS NOMINAL MM |
| Track Design | NONFOLDING |
| Track Hookup Type | SINGLE POSITION |
| Platform | INCLUDED |
| 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 |
|---|---|
| 12421484-001 | Amz Alabama Inc. (USA) |
| 12421484-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12421484-001 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
NSN 3990-01-444-3744 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 3990-01-444-3744 has 3 manufacturer part numbers on file: 12421484-001 (Amz Alabama Inc.), 12421484-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12421484-001 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 12421484-001: Track Quantity: 1; Track Overall Width: 118.5 MILLIMETERS NOMINAL MM; Track Overall Length: 202.5 MILLIMETERS NOMINAL MM; Overall Length: 202.5 MILLIMETERS NOMINAL MM. 6 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.