The Bracket,angle, cataloged under National Stock Number 5340-01-509-6031, 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 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-509-6031 |
| Primary Part Number | 6394977-01 |
| Item Name | Bracket,angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.500 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Length | 0.300 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Hole Diameter | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Second Leg Width | 6.000 INCHES NOMINAL IN |
| Second Leg Length | 6.000 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | THREE HOLES |
| Second Leg Distance From Edge to Hole Center Along Width | 0.500 INCHES NOMINAL IN |
| Style Designator | ANGLE |
| First Leg Style | SQUARE |
| Material Document and Classification | ASTM B443, INCONEL 625, ANNEALED ASSN STD SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.187 INCHES NOMINAL IN |
| First Leg Distance Between Second and Third Hole Centers Along Width | 2.500 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.500 INCHES NOMINAL IN |
| First Leg Thickness | 0.187 INCHES NOMINAL IN |
| First Leg Length | 1.500 INCHES NOMINAL IN |
| First Leg Width | 6.000 INCHES NOMINAL IN |
| Second Leg Style | SQUARE |
| Second Leg Distance Between Hole Centers Along Length | 2.625 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| First Leg Distance Between First and Second Hole Centers Along Width | 2.500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Second Leg Hole Arrangement Style | TWO HOLES |
| 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 |
|---|---|
| 6394977-01 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 6394977-01 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6394977 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-509-6031 is a Bracket,angle, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-6031 has 2 manufacturer part numbers on file: 6394977-01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6394977-01 (Naval Sea Systems Command).
Key specifications for 6394977-01: Second Leg Distance From Edge to Hole Center Along Length: 0.500 INCHES NOMINAL IN; First Leg Distance From Edge to Hole Center Along Length: 0.300 INCHES NOMINAL IN; First Leg Hole Diameter: 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; First Leg Angle: 90.0 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.