The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-413-2580, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milton Roy Llc Dba Milton Roy Americas. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-413-2580 |
| Primary Part Number | 7298-0045-175 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milton Roy Llc Dba Milton Roy Americas |
| Status | ACTIVE |
| Bead Diameter | 1.375 INCHES NOMINAL IN |
| Outside Diameter | 2.230 INCHES NOMINAL IN |
| Style Designator | SPECIAL SHAPED |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 7298-0045-175 PRIMARY | Milton Roy Llc Dba Milton Roy Americas (USA) |
| Reference | Meaning |
|---|---|
| 7298-0045-175 | 3/9 Design control — primary reference Milton Roy Co Flow Control Div |
| 298B | 5/9 Secondary reference Milton Roy Co Flow Control Div |
NSN 4820-00-413-2580 is a Diaphragm,actuator Valve,special, manufactured by Milton Roy Llc Dba Milton Roy Americas, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-413-2580 has 1 manufacturer part number on file: 7298-0045-175 (Milton Roy Llc Dba Milton Roy Americas).
Key specifications for 7298-0045-175: Bead Diameter: 1.375 INCHES NOMINAL IN; Outside Diameter: 2.230 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED; Material Thickness: 0.040 INCHES NOMINAL IN. 5 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.