The Valve,safety Relief, cataloged under National Stock Number 4820-00-837-8184, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-State Sales, Inc. Div Defense Products Group. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-837-8184 |
| Primary Part Number | 115-4-50 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mid-State Sales, Inc. Div Defense Products Group |
| Status | CANCELLED |
| Style Designator | ANGLE |
| Opening Pressure Setting | 50.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 32.0 CUBIC FEET PER MINUTE |
| Maximum Operating Temp | 185.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Thread Direction | RIGHT-HAND FIRST END |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Media for Which Designed | GAS, NATURAL SECOND RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Flow Control Device | DISK |
| Media for Which Designed | AIR FIRST RESPONSE |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | THREADED |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Disk Loading Method | SPRING |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPT FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 95026 | Dumont Electric Corp (USA) |
| 48 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 95026 | Standard Steel Llc (USA) |
| A1005782 | Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc. (USA) |
| 25226 | Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA) |
| 115-4-50 PRIMARY | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| 48A1-4IN50PSI PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 48A | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-837-8184 is a Valve,safety Relief, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-837-8184 has 8 cross-referenced part numbers: 95026 (Dumont Electric Corp), 48 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 95026 (Standard Steel Llc), A1005782 (Federal Equipment and Manufacturing Co., Inc. Div Federal Equipment & Manufacturing Co., Inc.), 25226 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia) and 3 more.
There are 12 known substitutes for 4820-00-837-8184: 4820-00-005-7394, 5310-00-010-5606, 4820-00-027-0994 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 115-4-50: Style Designator: ANGLE; Opening Pressure Setting: 50.0 POUNDS PER SQUARE INCH LBS; Valve Discharge Flow Rate: 32.0 CUBIC FEET PER MINUTE; Maximum Operating Temp: 185.0 FAHRENHEIT FIRST RESPONSE DEGF. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-837-8184 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.