The Plug,expansion, cataloged under National Stock Number 5340-00-422-2573, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 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 | 5340-00-422-2573 |
| Primary Part Number | 9S1343 |
| Item Name | Plug,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Outside Diameter | 1.507 INCHES NOMINAL IN |
| Style Designator | CUP |
| Material Document and Classification | 1E2172 11083 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Height | 0.310 INCHES NOMINAL 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 |
|---|---|
| 9S1343 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5340-00-422-2573 is a Plug,expansion, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-422-2573 has 1 manufacturer part number on file: 9S1343 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9S1343: Outside Diameter: 1.507 INCHES NOMINAL IN; Style Designator: CUP; Material Document and Classification: 1E2172 11083 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Material Thickness: 0.060 INCHES NOMINAL IN. 6 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.