The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-331-9975, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clayton Manufacturing Company. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Clayton Manufacturing Company (CAGE 12736) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-331-9975 |
| Primary Part Number | E2413PC2 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Clayton Manufacturing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| E2413PC2 PRIMARY | Clayton Manufacturing Company (USA) |
| 1201PC2 PRIMARY | Clayton Manufacturing Company (USA) |
| E2412PCUH1007 PRIMARY | Clayton Manufacturing Company (USA) |
| E2307PCUH1007 PRIMARY | Clayton Manufacturing Company (USA) |
| E2308PC2 PRIMARY | Clayton Manufacturing Company (USA) |
| 1200PCUH1007 PRIMARY | Clayton Manufacturing Company (USA) |
| UH1007 PRIMARY | Clayton Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| S5101-403815PC2 | 3/2 Design control — primary reference U.S. Government activity |
| S5100-403814PCUH1007 | 3/2 Design control — primary reference U.S. Government activity |
| AT96S5100-395718PCVH1007 | 3/2 Design control — primary reference U.S. Government activity |
| AT67S5103-395669PCVH1001 | 3/2 Design control — primary reference U.S. Government activity |
| AT96S5100-395719PC2 | 3/2 Design control — primary reference U.S. Government activity |
| AT67S5103-395670PC2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-331-9975 is a Diaphragm,valve,flat, manufactured by Clayton Manufacturing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-331-9975 has 7 manufacturer part numbers on file: E2413PC2 (Clayton Manufacturing Company), 1201PC2 (Clayton Manufacturing Company), E2412PCUH1007 (Clayton Manufacturing Company), E2307PCUH1007 (Clayton Manufacturing Company), E2308PC2 (Clayton Manufacturing Company) and 2 more.
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.