The Valve,safety Relief, cataloged under National Stock Number 4820-00-950-7966, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-950-7966 |
| Primary Part Number | HSRV-1-80 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| Style Designator | ANGLE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +75.0 TO 150.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Maximum Operating Temp | 210.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Thread Series Designator | NPT FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Thread Series Designator | NPT SECOND END |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N131SL 80 PSI | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| 1-2-131 | Watts Regulator Company (USA) |
| HSRV-1-80 PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
NSN 4820-00-950-7966 is a Valve,safety Relief, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-950-7966 has 3 cross-referenced part numbers: N131SL 80 PSI (The Electric Heater Co Dba Hubbell Electric Heater Co.), 1-2-131 (Watts Regulator Company), HSRV-1-80 (The Electric Heater Co Dba Hubbell Electric Heater Co.).
There are 12 known substitutes for 4820-00-950-7966: 5133-00-227-9674, 5950-00-645-5547, 3020-00-867-0518 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for HSRV-1-80: Special Features: 1/2 IN. SIZE VALVE IN; Style Designator: ANGLE; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Adjustable Pressure Range: +75.0 TO 150.0 POUNDS PER SQUARE INCH LBS. 13 total characteristics are documented in the Federal Logistics Information System.