The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-761-7571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Water Technologies Corp. Div Wallace & Tiernan Products. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-761-7571 |
| Primary Part Number | P32194 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
| Status | ACTIVE |
| Style Designator | FLAT |
| Material Thickness | 0.017 INCHES NOMINAL IN |
| Bolt Hole Quantity | 5 |
| Center to Center Distance Between Bolt Holes Along Length | 1.230 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.230 INCHES NOMINAL IN |
| Center Hole Diameter | 0.193 INCHES NOMINAL IN |
| Material | RUBBER |
| Hole Diameter | 0.218 INCHES NOMINAL IN |
| 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 |
|---|---|
| P32194 | Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA) |
| Reference | Meaning |
|---|---|
| P10737 | 3/9 Design control — primary reference Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
NSN 4820-00-761-7571 is a Diaphragm,valve,flat, manufactured by Siemens Water Technologies Corp. Div Wallace & Tiernan Products, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-761-7571 has 1 manufacturer part number on file: P32194 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products).
Key specifications for P32194: Style Designator: FLAT; Overall Length: 1.760 INCHES NOMINAL IN; Overall Width: 1.760 INCHES NOMINAL IN; Material Thickness: 0.017 INCHES NOMINAL IN. 8 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.