The Plug,expansion, cataloged under National Stock Number 5340-00-678-1423, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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 | 5340-00-678-1423 |
| Primary Part Number | 8754438 |
| Item Name | Plug,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Radius | 0.040 INCHES NOMINAL IN |
| Outside Diameter | 0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN |
| Style Designator | TRAPPED CUP |
| Material Document and Classification | QQ-S-00640, FS 1009 TO FS 1022 FED SPEC SINGLE MATERIAL RESPONSE |
| Material Thickness | 0.042 INCHES NOMINAL IN |
| Height | 0.320 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| Material | STEEL |
| Smallest Diameter | 0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 8754438 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-00-678-1423 is a Plug,expansion, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-678-1423 has 1 manufacturer part number on file: 8754438 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8754438: Radius: 0.040 INCHES NOMINAL IN; Outside Diameter: 0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN; Style Designator: TRAPPED CUP; Material Document and Classification: QQ-S-00640, FS 1009 TO FS 1022 FED SPEC SINGLE MATERIAL RESPONSE. 9 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.