The Channel,structural, cataloged under National Stock Number 2590-01-646-3012, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-646-3012 |
| Primary Part Number | 12509581 |
| Item Name | Channel,structural |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length | 830.3 MILLIMETERS NOMINAL MM |
| Color Chip Number | 33446 |
| Usage Design | VEHICULAR |
| Heat Treatment | HOT ROLLED |
| Slot Quantity | 4 |
| Material Document and Classification | ASTM A1011/A011M ASSN STD SINGLE MATERIAL RESPONSE |
| Vehicle Identification Designator | M1157 |
| Basic Shape Style | CHANNEL |
| Right Inside Angle | 12.0 RADIANS NOMINAL |
| Mounting Hole/slot Quantity | 4 |
| Left Inside Angle | 12.0 RADIANS NOMINAL |
| Vehicle Design Control Activity | 19207 |
| Color | TAN, 686A A |
| Surface Treatment | PRIMER AND PAINT AND CHEMICAL |
| Material | STEEL |
| Fabrication Method | HOT ROLLED |
| Slot Width | 10.0 MILLIMETERS NOMINAL MM |
| Slot Length | 20.0 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM |
| Mounting Hole Type | SLOTTED |
| 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 |
|---|---|
| 12509581 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2590-01-646-3012 is a Channel,structural, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-646-3012 has 1 manufacturer part number on file: 12509581 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12509581: Length: 830.3 MILLIMETERS NOMINAL MM; Color Chip Number: 33446; Usage Design: VEHICULAR; Heat Treatment: HOT ROLLED. 19 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.