The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-461-3742, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Daniel Measurement & Control, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-461-3742 |
| Primary Part Number | 453163 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Daniel Measurement & Control, Inc. |
| Status | ACTIVE |
| Outside Diameter | 3.250 INCHES NOMINAL IN |
| Style Designator | FLAT |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 2.800 INCHES NOMINAL IN |
| Center Hole Diameter | 0.375 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Hole Diameter | 0.210 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 |
|---|---|
| 453163 PRIMARY | Daniel Measurement & Control, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 453163 | 3/9 Design control — primary reference Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
NSN 4820-00-461-3742 is a Diaphragm,valve,flat, manufactured by Daniel Measurement & Control, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-461-3742 has 1 manufacturer part number on file: 453163 (Daniel Measurement & Control, Inc.).
Key specifications for 453163: Outside Diameter: 3.250 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.050 INCHES NOMINAL IN; Bolt Hole Quantity: 8. 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.