The Bracket,double Angle, cataloged under National Stock Number 5340-01-164-4580, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-164-4580 |
| Primary Part Number | 501-2143873 PIECE 2 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Center Section Thickness | 0.562 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | IDENTICAL |
| Second Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Length | 1.438 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | NO HOLE |
| Center Section Width | 8.938 INCHES NOMINAL IN |
| Style Designator | ADJACENT ANGLES |
| First Leg Style | SQUARE |
| Material Document and Classification | QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE |
| First Leg Length | 1.438 INCHES NOMINAL IN |
| First Leg Width | 8.938 INCHES NOMINAL IN |
| Material | COPPER ALLOY 510 |
| Center Section Height | 4.495 INCHES MINIMUM AND 4.497 INCHES MAXIMUM 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 |
|---|---|
| 501-2143873 PIECE 2 PRIMARY | Naval Sea Systems Command (USA) |
| SSN637-501-2143873 PIECE2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 77643-71X1 PIECE 2 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-164-4580 is a Bracket,double Angle, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-164-4580 has 2 manufacturer part numbers on file: 501-2143873 PIECE 2 (Naval Sea Systems Command), SSN637-501-2143873 PIECE2 (Naval Sea Systems Command).
Key specifications for 501-2143873 PIECE 2: First Leg Angle: 90.0 DEGREES NOMINAL; Center Section Thickness: 0.562 INCHES NOMINAL IN; Second Leg Relationship to First Leg: IDENTICAL; Second Leg Angle: 90.0 DEGREES NOMINAL. 14 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.