The Valve,safety Relief, cataloged under National Stock Number 4820-01-692-5532, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Process Management Lllp. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-692-5532 |
| Primary Part Number | 0020-E01-MG0087 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Process Management Lllp |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Furnished Items and Quantity | 1 SPRING AND 1 NUT |
| Nominal Length | 6.75 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.0 INCHES IN |
| Adjustable Pressure Range | +1.0 TO 300.0 POUNDS PER SQUARE INCH GAGE LBS |
| Bonnet Type | INSIDE SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 406.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Facility | THREADED FASTENER |
| Bonnet Attachment Method | INTEGRAL |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 2.25 INCHES IN |
| Material | BRONZE STEM |
| Material | BRONZE BONNET |
| Material | BRONZE DISK |
| Material | PLASTIC O-RING |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 1.0 POUNDS PER SQUARE INCH GAGE LBS |
| 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 |
|---|---|
| 0020-E01-MG0087 PRIMARY | Emerson Process Management Lllp (USA) |
NSN 4820-01-692-5532 is a Valve,safety Relief, manufactured by Emerson Process Management Lllp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-692-5532 has 1 manufacturer part number on file: 0020-E01-MG0087 (Emerson Process Management Lllp).
Key specifications for 0020-E01-MG0087: Flange Shape: ROUND FIRST END; Furnished Items and Quantity: 1 SPRING AND 1 NUT; Nominal Length: 6.75 INCHES ALL ENDS IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 22 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.