The Bracket,double Angle, cataloged under National Stock Number 5340-01-374-4540, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 30 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-374-4540 |
| Primary Part Number | 12931840 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.500 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Length | 0.500 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.250 INCHES NOMINAL IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Center Section Thickness | 0.250 INCHES NOMINAL IN |
| First Leg Distance Between Hole Centers Along Width | 3.950 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Hole Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-STD-171 5.1.1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Second Leg Width | 2.910 INCHES NOMINAL IN |
| Second Leg Length | 6.340 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance From Edge to Hole Center Along Width | 0.500 INCHES NOMINAL IN |
| Center Section Width | 2.000 INCHES NOMINAL IN |
| Style Designator | DOUBLE ANGLE |
| First Leg Style | END RADIUS |
| Material Document and Classification | ASTMA36 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.406 INCHES NOMINAL IN |
| Second Leg Thickness | 0.250 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.500 INCHES NOMINAL IN |
| First Leg Thickness | 0.250 INCHES NOMINAL IN |
| First Leg Length | 5.950 INCHES NOMINAL IN |
| First Leg Width | 1.000 INCHES NOMINAL IN |
| Second Leg Style | CORNER RADIUS |
| Surface Treatment | PHOSPHATE ZINC |
| Second Leg Corner Radius | 0.500 INCHES NOMINAL IN |
| First Leg End Radius | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Second Leg Hole Arrangement Style | TWO HOLES |
| 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 |
|---|---|
| 12931840 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5340-01-374-4540 is a Bracket,double Angle, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-374-4540 has 1 manufacturer part number on file: 12931840 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12931840: Second Leg Distance From Edge to Hole Center Along Length: 0.500 INCHES NOMINAL IN; First Leg Distance From Edge to Hole Center Along Length: 0.500 INCHES NOMINAL IN; First Leg Hole Diameter: 0.250 INCHES NOMINAL IN; First Leg Angle: 90.0 DEGREES NOMINAL. 30 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.