The Rail,cargo,flatrack, cataloged under National Stock Number 3990-01-458-7320, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is Summa Technology, Inc. Dba Aar Precision Systems Div Aar Aerostructures and Interiors. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3990-01-458-7320 |
| Primary Part Number | 12468790-1 |
| Item Name | Rail,cargo,flatrack |
| FSC / FSG | 3990 / 39 — Miscellaneous Materials Handling Equipment |
| Manufacturer | Summa Technology, Inc. Dba Aar Precision Systems Div Aar Aerostructures and Interiors |
| Status | ACTIVE |
| Surface Treatment | PAINT |
| Material | STEEL |
| 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 |
|---|---|
| 12468790-1 PRIMARY | Summa Technology, Inc. Dba Aar Precision Systems Div Aar Aerostructures and Interiors (USA) |
| Reference | Meaning |
|---|---|
| 12468790-1 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3990-01-458-7320 is a Rail,cargo,flatrack, manufactured by Summa Technology, Inc. Dba Aar Precision Systems Div Aar Aerostructures and Interiors, classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.
NSN 3990-01-458-7320 has 1 manufacturer part number on file: 12468790-1 (Summa Technology, Inc. Dba Aar Precision Systems Div Aar Aerostructures and Interiors).
Key specifications for 12468790-1: Overall Length: 43.680 INCHES NOMINAL IN; Surface Treatment: PAINT; Part Name Assigned by Controlling Agency: REAR BLOCKER ASSEMBLY; Material: STEEL. 2 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.