The Plate,mounting, cataloged under National Stock Number 5340-01-355-8457, 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 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-355-8457 |
| Primary Part Number | 5623165 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Length | 5.880 INCHES NOMINAL5.880 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-S-763, CL 316L FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.280 INCHES MINIMUM AND 0.287 INCHES MAXIMUM ALL HOLES IN |
| Shape | RECTANGULAR |
| Surface Treatment | PASSIVATE |
| Width | 3.625 INCHES NOMINAL3.625 INCHES NOMINAL IN |
| Material | STEEL COMP 316L |
| Thickness | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Mounting Hole Type | UNTHREADED |
| 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 |
|---|---|
| 5623165 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-355-8457 is a Plate,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-355-8457 has 1 manufacturer part number on file: 5623165 (Naval Sea Systems Command).
Key specifications for 5623165: Mounting Hole Quantity: 6; Length: 5.880 INCHES NOMINAL5.880 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-S-763, CL 316L FED SPEC SINGLE MATERIAL RESPONSE. 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.