The Plate,mounting, cataloged under National Stock Number 5340-01-399-8410, 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 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 | 5340-01-399-8410 |
| Primary Part Number | 585-6406777-150 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Length | 5.500 INCHES NOMINAL5.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766, CL 316L, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM ALL HOLES IN |
| Shape | RECTANGULAR |
| Aperture Diameter | 1.500 INCHES MINIMUM AND 1.501 INCHES MAXIMUM IN |
| Features Provided | APERTURE |
| Width | 3.560 INCHES NOMINAL3.560 INCHES NOMINAL IN |
| Material | STEEL COMP 316L |
| Mounting Hole Type | UNTHREADED |
| Aperture Shape | ROUND |
| 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 |
|---|---|
| 585-6406777-150 PRIMARY | Naval Sea Systems Command (USA) |
| 211065135 | Naval Sea Systems Command (USA) |
NSN 5340-01-399-8410 is a Plate,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-399-8410 has 2 manufacturer part numbers on file: 585-6406777-150 (Naval Sea Systems Command), 211065135 (Naval Sea Systems Command).
Key specifications for 585-6406777-150: Mounting Hole Quantity: 4; Length: 5.500 INCHES NOMINAL5.500 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766, CL 316L, COND A FED SPEC SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM ALL HOLES IN. 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.