The Bracket,double Angle, cataloged under National Stock Number 5340-01-250-1311, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-250-1311 |
| Primary Part Number | 7-311B25171-9 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| First Leg Distance From Edge to Hole Center Along Length | 0.500 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.201 INCHES NOMINAL IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Center Section Thickness | 0.100 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Angle | 90.0 DEGREES NOMINAL |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| First Leg Corner Radius | 0.120 INCHES NOMINAL IN |
| Second Leg Length | 1.800 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | ONE HOLE |
| Center Section Width | 4.310 INCHES NOMINAL IN |
| First Leg Style | CORNER RADIUS |
| Material Document and Classification | QQ-A-250/11,T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.100 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.310 INCHES NOMINAL IN |
| First Leg Thickness | 0.100 INCHES NOMINAL IN |
| First Leg Length | 1.560 INCHES NOMINAL IN |
| First Leg Width | 2.150 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| Center Section Height | 2.900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-311B25171-9 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311B25171-9 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5340-01-250-1311 is a Bracket,double Angle, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-250-1311 has 1 manufacturer part number on file: 7-311B25171-9 (The Boeing Company).
Key specifications for 7-311B25171-9: First Leg Distance From Edge to Hole Center Along Length: 0.500 INCHES NOMINAL IN; First Leg Hole Diameter: 0.201 INCHES NOMINAL IN; First Leg Angle: 90.0 DEGREES NOMINAL; Center Section Thickness: 0.100 INCHES NOMINAL IN. 21 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.