The Bracket,double Angle, cataloged under National Stock Number 5340-01-487-3104, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-487-3104 |
| Primary Part Number | 223541721-01 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| First Leg Distance From Edge to Hole Center Along Length | 0.440 INCHES NOMINAL IN |
| Center Section Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Distance Between Hole Centers Along Width | 2.650 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| First Leg Corner Radius | 0.250 INCHES NOMINAL IN |
| Second Leg Width | 9.250 INCHES NOMINAL IN |
| Second Leg Length | 1.500 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | FOUR HOLES |
| Center Section Width | 9.250 INCHES NOMINAL IN |
| Style Designator | DOUBLE ANGLE |
| First Leg Style | CORNER RADIUS |
| Material Document and Classification | QQ-A-250/8 MIL STD SINGLE MATERIAL RESPONSE |
| First Leg Distance Between Second and Third Hole Centers Along Width | 2.650 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.650 INCHES NOMINAL IN |
| First Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Length | 0.940 INCHES NOMINAL IN |
| First Leg Width | 9.250 INCHES NOMINAL IN |
| Second Leg Style | CORNER RADIUS |
| First Leg Distance Between First and Second Hole Centers Along Width | 2.650 INCHES NOMINAL IN |
| Second Leg Corner Radius | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| Second Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance Between Hole Centers Along Width | 1.500 INCHES NOMINAL IN |
| Center Section Height | 1.500 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 223541721-01 | Indra Sistemas, Sociedad Anonima (ESP) |
| 223541721-01 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 223541721 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5340-01-487-3104 is a Bracket,double Angle, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-487-3104 has 2 manufacturer part numbers on file: 223541721-01 (Indra Sistemas, Sociedad Anonima), 223541721-01 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 223541721-01: First Leg Distance From Edge to Hole Center Along Length: 0.440 INCHES NOMINAL IN; Center Section Thickness: 0.063 INCHES NOMINAL IN; First Leg Distance Between Hole Centers Along Width: 2.650 INCHES NOMINAL IN; Second Leg Relationship to First Leg: NOT IDENTICAL. 24 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.