The Bracket,double Angle, cataloged under National Stock Number 5340-01-388-4455, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-388-4455 |
| Primary Part Number | G257772-1 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.188 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Length | 0.306 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.166 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN |
| First Leg Angle | 0.12 RADIANS NOMINAL |
| Center Section Thickness | 0.063 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Angle | 0.12 RADIANS NOMINAL |
| Second Leg Hole Diameter | 0.168 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL--C-5541,CL3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Second Leg Width | 0.800 INCHES NOMINAL IN |
| Second Leg Length | 0.800 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance From Edge to Hole Center Along Width | 0.532 INCHES NOMINAL IN |
| Center Section Width | 3.500 INCHES NOMINAL IN |
| Style Designator | ADJACENT ANGLES |
| First Leg Style | SQUARE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.400 INCHES NOMINAL IN |
| First Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Length | 0.800 INCHES NOMINAL IN |
| First Leg Width | 2.800 INCHES NOMINAL IN |
| Second Leg Style | SQUARE |
| Second Leg Distance Between Hole Centers Along Length | 3.125 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 6061 |
| Second Leg Hole Arrangement Style | TWO HOLES |
| First Leg Distance Between Hole Centers Along Length | 2.188 INCHES NOMINAL IN |
| Center Section Height | 2.440 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 5340-01-388-4455 is a Bracket,double Angle, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-388-4455 has 2 manufacturer part numbers on file: G257772-1 (Raytheon Company), G257772-1 (Raytheon Company Dba Raytheon Co).
Key specifications for G257772-1: Second Leg Distance From Edge to Hole Center Along Length: 0.188 INCHES NOMINAL IN; First Leg Distance From Edge to Hole Center Along Length: 0.306 INCHES NOMINAL IN; First Leg Hole Diameter: 0.166 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN; First Leg Angle: 0.12 RADIANS 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.