The Valve,check, cataloged under National Stock Number 4820-01-730-2819, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-730-2819 |
| Primary Part Number | RB1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| Status | ACTIVE |
| Supplementary Features | OPERATING PRESSURE 700 BAR |
| Media for Which Designed | UNABLE TO DECODE |
| Opening Pressure Setting | 0.15 BAR |
| 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 |
|---|---|
| 200-60-504 | Dellner Bubenzer Aktiebolag (SWE) |
| RB1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
NSN 4820-01-730-2819 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-730-2819 has 2 manufacturer part numbers on file: 200-60-504 (Dellner Bubenzer Aktiebolag), RB1 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters).
Key specifications for RB1: Supplementary Features: OPERATING PRESSURE 700 BAR; Special Features: DESIGNED TO GO INTO SIMPLE THREADED CAVITIES; O-RING SEALED CONNECTION; WEIGHT 5 GRAMS; AMBIENT TEMPERATURE MINUS 20 DEGREES CELSIUS TO POSITIVE 60 DEGREES CELSIUS G; Media for Which Designed: UNABLE TO DECODE; Part Name Assigned by Controlling Agency: THREADED CHECK VALVE. 3 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.