The Valve,safety Relief,remote Contr, cataloged under National Stock Number 4820-01-374-5540, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydradyne, Llc Dba Store 100. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-374-5540 |
| Primary Part Number | R1E02-2111-A1 |
| Item Name | Valve,safety Relief,remote Contr |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydradyne, Llc Dba Store 100 |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +7.0 TO 105.0 BAR |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Mounting Facility | PANEL |
| 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 A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R1E02-2111-A1 | Hydradyne, Llc Dba Store 100 (USA) |
| Reference | Meaning |
|---|---|
| R1E02-2111-A1 | 3/9 Design control — primary reference Hagglunds Drives Inc |
NSN 4820-01-374-5540 is a Valve,safety Relief,remote Contr, manufactured by Hydradyne, Llc Dba Store 100, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-374-5540 has 1 manufacturer part number on file: R1E02-2111-A1 (Hydradyne, Llc Dba Store 100).
Key specifications for R1E02-2111-A1: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 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.