The Valve,safety Relief,remote Contr, cataloged under National Stock Number 4820-01-251-2217, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-251-2217 |
| Primary Part Number | R1E02-3511-A1 |
| Item Name | Valve,safety Relief,remote Contr |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Thread Series Designator | NPTF ALL ENDS |
| Valve Discharge Flow Rate | 1.0 GALLONS PER MINUTE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| R1E02-3511-A1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| 84000558 | 5/2 Secondary reference U.S. Government activity |
| R1E02-35X1-A1 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
NSN 4820-01-251-2217 is a Valve,safety Relief,remote Contr, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-251-2217 has 1 manufacturer part number on file: R1E02-3511-A1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
Key specifications for R1E02-3511-A1: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 10 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.
NSN 4820-01-251-2217 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.