The Bracket,angle, cataloged under National Stock Number 5340-01-283-2458, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-283-2458 |
| Primary Part Number | 12339743 |
| Item Name | Bracket,angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.760 INCHES NOMINAL IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Hole Diameter | 0.281 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-46168 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE |
| Second Leg Width | 2.940 INCHES MINIMUM AND 3.060 INCHES MAXIMUM IN |
| Second Leg Length | 1.160 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | NO HOLE |
| Second Leg Distance From Edge to Hole Center Along Width | 0.820 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Style Designator | ANGLE |
| First Leg Style | SQUARE |
| Material Document and Classification | ASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A366 ASSN STD SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.0747 INCHES NOMINAL IN |
| First Leg Thickness | 0.0747 INCHES NOMINAL IN |
| First Leg Length | 0.8347 INCHES MINIMUM AND 0.9547 INCHES MAXIMUM IN |
| First Leg Width | 2.940 INCHES MINIMUM AND 3.060 INCHES MAXIMUM IN |
| Second Leg Style | SQUARE |
| Surface Treatment | PLASTIC POLYURETHANE OR CADMIUM AND CHROMATE |
| Material | STEEL COMP 1009 |
| Second Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance Between Hole Centers Along Width | 1.250 INCHES NOMINAL IN |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-01-283-2458 is a Bracket,angle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-283-2458 has 2 manufacturer part numbers on file: 12339743 (U S Army Tank Automotive Command Amsta-Im-Mm), 5583556-B (Am General Llc).
Key specifications for 12339743: Second Leg Distance From Edge to Hole Center Along Length: 0.760 INCHES NOMINAL IN; First Leg Angle: 90.0 DEGREES NOMINAL; Second Leg Relationship to First Leg: NOT IDENTICAL; Second Leg Hole Diameter: 0.281 INCHES NOMINAL IN. 22 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.