The Escutcheon Plate, cataloged under National Stock Number 5340-00-203-4459, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-203-4459 |
| Primary Part Number | 58A164C187 |
| Item Name | Escutcheon Plate |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 3.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Center to Center Distance Between Mounting Holes | 2.875 INCHES NOMINAL IN |
| Style Designator | ELONGATED |
| Material Document and Classification | UNABLE TO DECODE |
| Mounting Hole Diameter | 0.235 INCHES NOMINAL IN |
| Height | 0.063 INCHES NOMINAL IN |
| Surface Treatment | UNABLE TO DECODE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Width | 1.125 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| 58A164C187 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 58A164C187 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 10117299 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-00-203-4459 is a Escutcheon Plate, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-203-4459 has 1 manufacturer part number on file: 58A164C187 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 58A164C187: Length: 3.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: UNABLE TO DECODE; Center to Center Distance Between Mounting Holes: 2.875 INCHES NOMINAL IN; Style Designator: ELONGATED. 11 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.