The Valve,flow Control, cataloged under National Stock Number 4820-01-682-4789, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richway Industries, Limited. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Richway Industries, Limited (CAGE 61122) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-682-4789 |
| Primary Part Number | AP-7010 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richway Industries, Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8599203-001 | Naval Sea Systems Command (USA) |
| AP-7010 PRIMARY | Richway Industries, Limited (USA) |
| Reference | Meaning |
|---|---|
| 8599203 | D/9 Drawing number reference only Naval Sea Systems Command |
| BS1.5A50-543NBR | 5/9 Secondary reference Rf Technologies, Inc. |
NSN 4820-01-682-4789 is a Valve,flow Control, manufactured by Richway Industries, Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-682-4789 has 2 manufacturer part numbers on file: 8599203-001 (Naval Sea Systems Command), AP-7010 (Richway Industries, Limited).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-682-4789 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.