The Disk,valve, cataloged under National Stock Number 4820-01-305-3390, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emglo Products Corp. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-305-3390 |
| Primary Part Number | 47973 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emglo Products Corp |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 47973 PRIMARY | Emglo Products Corp (USA) |
NSN 4820-01-305-3390 is a Disk,valve, manufactured by Emglo Products Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-305-3390 has 1 manufacturer part number on file: 47973 (Emglo Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-684-4972. Verify interchangeability with system specifications before substitution.
Key specifications for 47973: Special Features: HIGH PRESSURE; Material: STEEL. 1 specification is 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.