The Regulating Element,flow,valve, cataloged under National Stock Number 4820-01-513-7728, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-513-7728 |
| Primary Part Number | 7305-01 |
| Item Name | Regulating Element,flow,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories 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 |
|---|---|
| 7305-01 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| R 25-02 CK | Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America (USA) |
| Reference | Meaning |
|---|---|
| 7438 REV C ITEM NO.4 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
| 7305 REV A | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 4820-01-513-7728 is a Regulating Element,flow,valve, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-513-7728 has 2 manufacturer part numbers on file: 7305-01 (Howell Laboratories Inc Dba Howell Laboratories Inc), R 25-02 CK (Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-552-4248. Verify interchangeability with system specifications before substitution.
Key specifications for 7305-01: End Item Identification: E/I:DISINFECTANT GENERATOR. 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.