The Clamp Special, cataloged under National Stock Number 5342-00-816-9255, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Capy Machine Shop Inc. Dba Capy Machine Shop Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-816-9255 |
| Primary Part Number | A51H10139-3 |
| Item Name | Clamp Special |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Capy Machine Shop Inc. Dba Capy Machine Shop Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51H10139-3 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| A51H10139-3 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51H10139-3 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
| A51H10139-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5342-00-816-9255 is a Clamp Special, manufactured by Capy Machine Shop Inc. Dba Capy Machine Shop Inc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-816-9255 has 2 manufacturer part numbers on file: A51H10139-3 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), A51H10139-3 (Northrop Grumman Systems Corporation).
Key specifications for A51H10139-3: General Characteristics Item Description: MATERIAL STEEL. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.