The Plate,mounting, cataloged under National Stock Number 5340-01-383-4100, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-383-4100 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Raised Surface Width | 1.250 INCHES NOMINAL IN |
| Length | 3.500 INCHES NOMINAL3.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-N-290, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Raised Surface Height | 0.250 INCHES NOMINAL IN |
| Raised Surface Length | 1.010 INCHES NOMINAL IN |
| Material Document and Classification | ASTMA-36 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL ALL HOLES IN |
| Shape | RECTANGULAR |
| Features Provided | RAISED SURFACE |
| Surface Treatment | NICKEL |
| Width | 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN |
| Material | STEEL UNS K02600 |
| Thickness | 0.250 INCHES NOMINAL0.250 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 |
| Reference | Meaning |
|---|---|
| 248542 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5340-01-383-4100 is a Plate,mounting, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-550-4537. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-383-4100: Mounting Hole Quantity: 4; Raised Surface Width: 1.250 INCHES NOMINAL IN; Length: 3.500 INCHES NOMINAL3.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-N-290, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE. 15 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.