The Regulator,flow Control, cataloged under National Stock Number 4820-01-071-4789, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-071-4789 |
| Primary Part Number | 10459-18 |
| Item Name | Regulator,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| General Characteristics Item Description | BODY STEEL 316SS; DIAPHRAGM POLYTETROFLUOROETHYLENE; REST OF INTERNAL PARTS STEEL 316SS; SPECIAL VALVE PLUNGERS AND PORTS TO HANDLE VERY LOW FLOW RATES |
| 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 |
|---|---|
| 10459-18 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
NSN 4820-01-071-4789 is a Regulator,flow Control, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-071-4789 has 1 manufacturer part number on file: 10459-18 (Testek Llc Dba Testek Solutions).
Key specifications for 10459-18: General Characteristics Item Description: BODY STEEL 316SS; DIAPHRAGM POLYTETROFLUOROETHYLENE; REST OF INTERNAL PARTS STEEL 316SS; SPECIAL VALVE PLUNGERS AND PORTS TO HANDLE VERY LOW FLOW RATES; End Item Identification: F100-PW100 ENG F15 TESTSTAND. 1 specification is 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.