The Regulating Element,flow,valve, cataloged under National Stock Number 4820-01-428-6043, 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3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-428-6043 |
| Item Name | Regulating Element,flow,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | HAS A SMALL HANDWHEEL |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| YV4501CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| YV4501 | 3/9 Design control — primary reference Harsco Corp Sherwood Div |
| YV4501 | 3/1 Design control — primary reference Sherwood Valve Llc Dba Sherwood Valve |
NSN 4820-01-428-6043 is a Regulating Element,flow,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-428-6043: General Characteristics Item Description: HAS A SMALL HANDWHEEL; Criticality Code Justification: ZZZY; End Item Identification: SAR/SCBA SYSTEM; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 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.