The Stop,mechanical, cataloged under National Stock Number 5340-01-642-2678, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cunico Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Dynamic Controls Ltd (CAGE K9077); Cunico Corporation (CAGE 53424) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-642-2678 |
| Primary Part Number | 8G7-55/001 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 8G7-55/001 | Dynamic Controls Ltd (GBR) |
| 8G7-55/001 PRIMARY | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| DCL-1600-DN-CVN(SHT3)PART19 | C/1 Advisory reference — outside the item-of-supply concept Cunico Corporation |
NSN 5340-01-642-2678 is a Stop,mechanical, manufactured by Cunico Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-642-2678 has 2 manufacturer part numbers on file: 8G7-55/001 (Dynamic Controls Ltd), 8G7-55/001 (Cunico Corporation).
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.