The Bracket,mounting, cataloged under National Stock Number 5340-01-509-4734, 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 7 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 | 5340-01-509-4734 |
| Primary Part Number | 6391073 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A&&JBATT-P-645 MIL SPEC SINGLE TREATMENT RESPONSE A |
| Material Document and Classification | ASTM B209, TEMPER H32 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Surface Treatment | ZINC |
| Material | ALUMINUM ALLOY 5086 |
| 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 |
NSN 5340-01-509-4734 is a Bracket,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-4734 has 2 manufacturer part numbers on file: 6391073 (Naval Sea Systems Command), 6391073 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 6391073: Mounting Hole Quantity: 2; Overall Height: 0.770 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A&&JBATT-P-645 MIL SPEC SINGLE TREATMENT RESPONSE A; Material Document and Classification: ASTM B209, TEMPER H32 ASSN STD SINGLE MATERIAL RESPONSE. 7 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.