The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-023-0672, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-023-0672 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Supplementary Features | ADDITIONAL MATERIAL: CLOTH |
| Style Designator | SPECIAL SHAPED |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M193-002 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| M193-002 | 3/9 Design control — primary reference U.S. Government activity |
| B1257V | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 540022PC2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| B-1257-V | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-023-0672 is a Diaphragm,actuator Valve,special, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-023-0672: Supplementary Features: ADDITIONAL MATERIAL: CLOTH; Style Designator: SPECIAL SHAPED; Material: RUBBER SYNTHETIC. 3 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.