The Bracket,vehicular Components, cataloged under National Stock Number 2590-01-645-4387, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-645-4387 |
| Primary Part Number | 12543101 |
| Item Name | Bracket,vehicular Components |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Quantity | 9 |
| Surface Treatment Document and Classification | TT-C-490,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490,TYPE 3 FED SPEC 1ST TREATMENT RESPONSE AND MIL DTL 53084 MIL STD 1ST TREATMENT RESPONSE AND MIL DTL 53084 MIL STD 2ND TREATMENT RESPONSE AND MIL DTL 53039 MIL STD 2ND TREATMENT RESPONSE OR MIL DTL 64159 MIL STD 2ND TREATMENT RESPONSE AND FED STD 595 FED STD 2ND TREATMENT RESPONSE |
| Overall Thickness | 0.1345 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A1011/A1011M,DS,TYPE B ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 10.31 MILLIMETERS NOMINAL FIFTH HOLE MM |
| Mounting Hole Diameter | 10.31 MILLIMETERS NOMINAL FOURTH HOLE MM |
| Mounting Hole Diameter | 10.31 MILLIMETERS NOMINAL THIRD HOLE MM |
| Mounting Hole Diameter | 11.13 MILLIMETERS NOMINAL FIRST HOLE MM |
| Mounting Hole Diameter | 11.13 MILLIMETERS NOMINAL SECOND HOLE MM |
| Mounting Hole Diameter | 17.48 MILLIMETERS NOMINAL EIGHTH HOLE MM |
| Mounting Hole Diameter | 17.48 MILLIMETERS NOMINAL NINTH HOLE MM |
| Mounting Hole Diameter | 17.48 MILLIMETERS NOMINAL SEVENTH HOLE MM |
| Mounting Hole Diameter | 17.48 MILLIMETERS NOMINAL SIXTH HOLE MM |
| Vehicle Identification Designator | M1089A1P2 |
| Vehicle Design Control Activity | 19207 |
| Surface Treatment | CHEMICAL AND PHOSPHATE ZINC OR PRIMER-HEXAVALENT CHROMIUM FREE AND PAINT AND CARC (CHEMICAL AGENT RESISTANT COATING), ALIPHATIC POLYURETHANE OR POLYURETHANE PAINT-LEAD,CADMIUM AND HEXAVALENT CHROMIUM FREE |
| Material | STEEL |
| Nominal Hole Diameter and Quantity | 17.48 MILLIMETERS FOUR HOLES AND 10.31 MILLIMETERS THREE HOLES AND 11.15 MILLIMETERS TWO HOLES MM |
| Mounting Hole Type | PLAIN AND THRU HOLE ALL HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2590-01-645-4387 is a Bracket,vehicular Components, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-645-4387 has 2 manufacturer part numbers on file: 3948987 (Oshkosh Defense Llc), 12543101 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12543101: Mounting Hole Quantity: 9; Surface Treatment Document and Classification: TT-C-490,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490,TYPE 3 FED SPEC 1ST TREATMENT RESPONSE AND MIL DTL 53084 MIL STD 1ST TREATMENT RESPONSE AND MIL DTL 53084 MIL STD 2ND TREATMENT RESPONSE AND MIL DTL 53039 MIL STD 2ND TREATMENT RESPONSE OR MIL DTL 64159 MIL STD 2ND TREATMENT RESPONSE AND FED STD 595 FED STD 2ND TREATMENT RESPONSE; Overall Thickness: 0.1345 INCHES NOMINAL IN; Material Document and Classification: ASTM A1011/A1011M,DS,TYPE B ASSN STD SINGLE MATERIAL RESPONSE. 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.