The Plug,expansion, cataloged under National Stock Number 5340-01-393-8542, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 5 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 | 5340-01-393-8542 |
| Primary Part Number | M1945AG |
| Item Name | Plug,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Outside Diameter | 2.249 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN |
| Style Designator | CUP |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Height | 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| M1945AG PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 5340-01-393-8542 is a Plug,expansion, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-393-8542 has 1 manufacturer part number on file: M1945AG (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for M1945AG: Outside Diameter: 2.249 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN; Style Designator: CUP; Material Thickness: 0.060 INCHES NOMINAL IN; Height: 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN. 5 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.