The Bracket,double Angle, cataloged under National Stock Number 5340-01-187-4178, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-187-4178 |
| Primary Part Number | 999E350036-1 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.310 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Length | 0.250 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.089 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| First Leg Angle | 45.0 DEGREES NOMINAL |
| Center Section Thickness | 0.040 INCHES NOMINAL IN |
| First Leg Distance Between Hole Centers Along Width | 0.500 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Angle | 45.0 DEGREES NOMINAL |
| Second Leg Hole Diameter | 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Second Leg Width | 0.500 INCHES NOMINAL IN |
| Second Leg Length | 0.620 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance From Edge to Hole Center Along Width | 0.440 INCHES NOMINAL IN |
| Center Section Width | 0.880 INCHES NOMINAL IN |
| Style Designator | DOUBLE ANGLE |
| First Leg Style | SQUARE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.040 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.190 INCHES NOMINAL IN |
| First Leg Thickness | 0.040 INCHES NOMINAL IN |
| First Leg Length | 0.500 INCHES NOMINAL IN |
| First Leg Width | 0.880 INCHES NOMINAL IN |
| Second Leg Style | SQUARE |
| Material | ALUMINUM ALLOY 6061 |
| Second Leg Hole Arrangement Style | ONE HOLE |
| Center Section Height | 0.290 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 |
|---|---|
| 999E350036-1 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 999E350036-1 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 5340-01-187-4178 is a Bracket,double Angle, manufactured by Textron Aviation Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-187-4178 has 1 manufacturer part number on file: 999E350036-1 (Textron Aviation Inc).
Key specifications for 999E350036-1: Second Leg Distance From Edge to Hole Center Along Length: 0.310 INCHES NOMINAL IN; First Leg Distance From Edge to Hole Center Along Length: 0.250 INCHES NOMINAL IN; First Leg Hole Diameter: 0.089 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; First Leg Angle: 45.0 DEGREES NOMINAL. 27 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.