The Bracket,double Angle, cataloged under National Stock Number 5340-01-659-0288, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-659-0288 |
| Primary Part Number | 12423057-002 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First Leg Angle | 9.5 RADIANS NOMINAL |
| Center Section Thickness | 0.375 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | IDENTICAL |
| Second Leg Angle | 9.5 RADIANS NOMINAL |
| Second Leg Length | 53.975 MILLIMETERS NOMINAL MM |
| First Leg Hole Arrangement Style | NO HOLE |
| Center Section Width | 38.10 MILLIMETERS NOMINAL MM |
| Style Designator | ADJACENT ANGLES |
| First Leg Style | SQUARE |
| Material Document and Classification | ASTM A514, GRADE B ASSN STD SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.375 INCHES NOMINAL IN |
| First Leg Thickness | 0.375 INCHES NOMINAL IN |
| First Leg Length | 53.975 MILLIMETERS NOMINAL MM |
| First Leg Width | 38.10 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 5140 |
| Center Section Height | 120.65 MILLIMETERS NOMINAL MM |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12423057-002 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12423057 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5340-01-659-0288 is a Bracket,double Angle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-659-0288 has 1 manufacturer part number on file: 12423057-002 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12423057-002: First Leg Angle: 9.5 RADIANS NOMINAL; Center Section Thickness: 0.375 INCHES NOMINAL IN; Second Leg Relationship to First Leg: IDENTICAL; Second Leg Angle: 9.5 RADIANS NOMINAL. 16 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.