The Valve,flow Control, cataloged under National Stock Number 4820-01-669-4989, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Rix Industries (CAGE 28953) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-669-4989 |
| Primary Part Number | A715-19771 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rix Industries |
| 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 |
|---|---|
| A715-19771 PRIMARY | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| 19777 REV B ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Rix Industries |
| 074-1100 | D/9 Drawing number reference only Rix Industries |
| 19777 | D/9 Drawing number reference only Rix Industries |
| 074-1100 ITEM 162 | C/1 Advisory reference — outside the item-of-supply concept Rix Industries |
NSN 4820-01-669-4989 is a Valve,flow Control, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-669-4989 has 1 manufacturer part number on file: A715-19771 (Rix Industries).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-670-6388, 3030-01-670-6427. Verify interchangeability with system specifications before substitution.
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.