The Plug,anode Retaining, cataloged under National Stock Number 5342-01-121-8205, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-121-8205 |
| Primary Part Number | 158A7642 |
| Item Name | Plug,anode Retaining |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Connection Style | PLAIN |
| Special Test Features | HYDROSTATIC TEST TO 1500 P.S.I.G. HYDRO PRESS |
| Drive End Style | HEXAGON |
| Thread Direction | RIGHT-HAND INTERNAL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.500 INCHES INTERNAL IN |
| Nominal Thread Size | 1.312 INCHES EXTERNAL IN |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 12 EXTERNAL |
| Material | NICKEL ALLOY B OVERALL |
| Thread Series Designator | UN EXTERNAL |
| Thread Series Designator | NPT INTERNAL |
| 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 |
|---|---|
| 158A7642 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 158A7642 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 158-7642 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 700-7840PC4 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 5342-01-121-8205 is a Plug,anode Retaining, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-121-8205 has 1 manufacturer part number on file: 158A7642 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 158A7642: Connection Style: PLAIN; Special Test Features: HYDROSTATIC TEST TO 1500 P.S.I.G. HYDRO PRESS; Drive End Style: HEXAGON; Thread Direction: RIGHT-HAND INTERNAL. 12 specifications are 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.