The Piston,valve, cataloged under National Stock Number 4820-00-394-7543, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-394-7543 |
| Primary Part Number | D15805MES |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| D15805MES PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D15805PE | 5/9 Secondary reference Hammel Dahl Inc |
| D15805MES | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| D1580FPE | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 4820-00-394-7543 is a Piston,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-394-7543 has 1 manufacturer part number on file: D15805MES (Hunt Valve Company, Inc.).
Key specifications for D15805MES: Special Features: STEEL,2.187 IN. LG O/A,0.812 IN. HEAD LG,1.375 IN. SHAFT LG,2.609 IN. HEAD DIA,0.875 IN. SHAFT DIA,TWO 0.188 IN. W,BY 0.094 IN. DEEP GROOVES AROUND OD OF HEAD,0.500 IN. DIA,BY 1.125 IN. DEEP BORE IN SHAFT END,1.938 IN. DIA,BY 0.125 IN. DEPRESSION IN TOP OF HEAD,EDGE OF DEPRESSION ANGLED 45 DEG IN. 0 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.