The Bracket,mounting, cataloged under National Stock Number 5340-01-378-9024, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-378-9024 |
| Primary Part Number | 642AS1028 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Surface Treatment Document and Classification | FED-STD-595 FED STD SINGLE TREATMENT RESPONSE |
| Material Document and Classification | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.566 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Surface Treatment | ENAMEL |
| Material | STEEL COMP 321 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 642AS1028 | The Boeing Company Div Defense (USA) |
| 642AS1028 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 642AS1028 | 5/9 Secondary reference The Boeing Company Div Legacy Fcs |
NSN 5340-01-378-9024 is a Bracket,mounting, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-378-9024 has 2 manufacturer part numbers on file: 642AS1028 (The Boeing Company Div Defense), 642AS1028 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 642AS1028: Mounting Hole Quantity: 1; Overall Height: 2.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: FED-STD-595 FED STD SINGLE TREATMENT RESPONSE; Material Document and Classification: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE. 6 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.