The Bracket,double Angle, cataloged under National Stock Number 5340-01-399-3199, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-399-3199 |
| Primary Part Number | 123C11203-11 |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| First Leg Distance From Edge to Hole Center Along Length | 0.312 INCHES NOMINAL IN |
| Center Section Thickness | 0.090 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Width | 1.500 INCHES NOMINAL IN |
| Second Leg Length | 1.844 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | ONE HOLE |
| Style Designator | DOUBLE ANGLE |
| First Leg Style | END RADIUS AND TAPERED |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.090 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.312 INCHES NOMINAL IN |
| First Leg Thickness | 0.090 INCHES NOMINAL IN |
| First Leg Length | 0.594 INCHES NOMINAL IN |
| Second Leg Style | CORNER RADIUS |
| Second Leg Corner Radius | 0.312 INCHES NOMINAL IN |
| First Leg End Radius | 0.312 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Center Section Height | 0.215 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 |
|---|---|
| 123C11203-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123C11203-11 | 5/2 Secondary reference U.S. Government activity |
| 123C11203-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-399-3199 is a Bracket,double Angle, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-399-3199 has 1 manufacturer part number on file: 123C11203-11 (Northrop Grumman Systems Corporation).
Key specifications for 123C11203-11: First Leg Distance From Edge to Hole Center Along Length: 0.312 INCHES NOMINAL IN; Center Section Thickness: 0.090 INCHES NOMINAL IN; Second Leg Relationship to First Leg: NOT IDENTICAL; Second Leg Width: 1.500 INCHES NOMINAL IN. 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.
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.