The Bracket,double Angle, cataloged under National Stock Number 5340-01-428-9041, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 25 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-428-9041 |
| Primary Part Number | 12591-8 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.140 INCHES NOMINAL IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Center Section Thickness | 0.0253 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Hole Diameter | 0.128 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Second Leg Width | 0.312 INCHES NOMINAL IN |
| Second Leg Length | 0.281 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | NO HOLE |
| Second Leg Distance From Edge to Hole Center Along Width | 0.156 INCHES NOMINAL IN |
| Center Section Width | 0.312 INCHES NOMINAL IN |
| Style Designator | DOUBLE ANGLE |
| First Leg Style | SQUARE |
| Material Document and Classification | QQ-P-330 COMP A FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.0253 INCHES NOMINAL IN |
| First Leg Thickness | 0.0253 INCHES NOMINAL IN |
| First Leg Length | 0.125 INCHES NOMINAL IN |
| First Leg Width | 0.312 INCHES NOMINAL IN |
| Second Leg Style | SQUARE |
| Surface Treatment | CADMIUM |
| Material | COPPER ALLOY 510 |
| Second Leg Hole Arrangement Style | ONE HOLE |
| Center Section Height | 0.156 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 |
| Part Number | Manufacturer |
|---|---|
| 12591-8 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5340-01-428-9041 is a Bracket,double Angle, manufactured by Grimes Aerospace Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-428-9041 has 1 manufacturer part number on file: 12591-8 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-668-4937. Verify interchangeability with system specifications before substitution.
Key specifications for 12591-8: Second Leg Distance From Edge to Hole Center Along Length: 0.140 INCHES NOMINAL IN; First Leg Angle: 90.0 DEGREES NOMINAL; Center Section Thickness: 0.0253 INCHES NOMINAL IN; Second Leg Relationship to First Leg: NOT IDENTICAL. 25 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.