The Bracket,double Angle, cataloged under National Stock Number 5340-00-449-3401, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 19 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-449-3401 |
| Primary Part Number | 658771R1 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | JET ENGINE,ACFT |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Center Section Thickness | 0.038 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Second Leg Angle | 99.0 DEGREES NOMINAL |
| Second Leg Width | 0.500 INCHES NOMINAL IN |
| Second Leg Length | 1.150 INCHES NOMINAL IN |
| Center Section Width | 0.640 INCHES NOMINAL IN |
| Style Designator | DOUBLE ANGLE |
| First Leg Style | END RADIUS AND TAPERED |
| Material Document and Classification | SAE51410 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.038 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| First Leg Thickness | 0.038 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| First Leg Length | 1.284 INCHES NOMINAL IN |
| First Leg Width | 1.328 INCHES NOMINAL IN |
| First Leg Offset Angle | 90.0 DEGREES NOMINAL |
| Second Leg Style | END RADIUS |
| Second Leg End Radius | 0.250 INCHES NOMINAL IN |
| First Leg End Radius | 0.344 INCHES NOMINAL IN |
| Material | STEEL COMP 410 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-00-449-3401 is a Bracket,double Angle, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-449-3401 has 2 manufacturer part numbers on file: 658771 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 658771R1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 658771R1: FSC Application Data: JET ENGINE,ACFT; First Leg Angle: 90.0 DEGREES NOMINAL; Center Section Thickness: 0.038 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Second Leg Angle: 99.0 DEGREES NOMINAL. 19 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.
NSN 5340-00-449-3401 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.