The Clamp,spec, cataloged under National Stock Number 5340-01-595-2643, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Itw Gse Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Clamp,spec |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Itw Gse Inc. (CAGE 0SMN2) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-595-2643 |
| Primary Part Number | CY5158 |
| Item Name | Clamp,spec |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Itw Gse Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| CY5158 PRIMARY | Itw Gse Inc. (USA) |
| Reference | Meaning |
|---|---|
| CY5158 | 3/9 Design control — primary reference Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems |
NSN 5340-01-595-2643 is a Clamp,spec, manufactured by Itw Gse Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-595-2643 has 1 manufacturer part number on file: CY5158 (Itw Gse Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-596-2186. Verify interchangeability with system specifications before substitution.
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.