The Clamp,block, cataloged under National Stock Number 5340-01-574-3257, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cope Plastics, Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Clamp,block |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Cope Plastics, Inc (CAGE 1HWN7) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-574-3257 |
| Primary Part Number | MIOT-3810093 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cope Plastics, Inc |
| 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 |
|---|---|
| 3810093 | Oshkosh Defense Llc (USA) |
| MIOT-3810093 PRIMARY | Cope Plastics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3810093 | 7/9 Vendor item drawing reference Oshkosh Corp |
NSN 5340-01-574-3257 is a Clamp,block, manufactured by Cope Plastics, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-574-3257 has 2 manufacturer part numbers on file: 3810093 (Oshkosh Defense Llc), MIOT-3810093 (Cope Plastics, Inc).
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.