The Support,retractable,semitrailer, cataloged under National Stock Number 2590-00-770-3430, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2590-00-770-3430 |
| Primary Part Number | 7998651 |
| Item Name | Support,retractable,semitrailer |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shoe | NOT INCLUDED |
| Operational Direction | VERTICAL |
| Retracting Method | SCREW-NUT |
| Wheel Type | METAL TIRE |
| Tire Width | 4.000 INCHES NOMINAL IN |
| Outside Diameter | 10.000 INCHES NOMINAL IN |
| Wheel Quantity | 2 |
| Brace Type | BACK OR CROSS |
| Operating Speed Quantity | 2 |
| Maximum Underclearance | 18.000 INCHES IN |
| Extended Height | 55.375 INCHES NOMINAL IN |
| Leg Construction | TUBULAR |
| Retracting Mechanism | INCLUDED |
| Operating Control Type | MANUAL |
| Frame Width for Which Designed | 94.380 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7998651 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| R826-2 | 5/9 Secondary reference U.S. Government activity |
NSN 2590-00-770-3430 is a Support,retractable,semitrailer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-770-3430 has 1 manufacturer part number on file: 7998651 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7998651: Shoe: NOT INCLUDED; Operational Direction: VERTICAL; Retracting Method: SCREW-NUT; Wheel Type: METAL TIRE. 15 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.