The Valve,flow Control, cataloged under National Stock Number 4820-01-202-0853, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-202-0853 |
| Primary Part Number | M051-218-64 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.250 INCHES IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Body Material | COPPER ALLOY |
| Pressure Class | ERR-060 |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| M051-218-64 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| Reference | Meaning |
|---|---|
| M051-218-64 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-202-0853 is a Valve,flow Control, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-202-0853 has 1 manufacturer part number on file: M051-218-64 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
Key specifications for M051-218-64: Connection Type: THREADED INTERNAL PIPE; Valve Size: 0.250 INCHES IN; Nominal Thread Size: 0.250 INCHES IN; Body Material: COPPER ALLOY. 6 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.