The Valve,safety Relief, cataloged under National Stock Number 4820-00-829-8500, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Itt Bell and Gossett Domestic Pump Operation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-829-8500 |
| Primary Part Number | 790-75 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Itt Bell and Gossett Domestic Pump Operation |
| Status | ACTIVE |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | COPPER ALLOY OVERALL |
| Style Designator | ANGLE |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DIAPHRAGM |
| Thread Series Designator | NPT FIRST END |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 790-75 | Itt Bell and Gossett Domestic Pump Operation (USA) |
| N0 5 | Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (USA) |
| 5 | Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (USA) |
| 790-75 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
| 5 | Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA) |
NSN 4820-00-829-8500 is a Valve,safety Relief, manufactured by Itt Bell and Gossett Domestic Pump Operation, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-829-8500 has 5 cross-referenced part numbers: 790-75 (Itt Bell and Gossett Domestic Pump Operation), N0 5 (Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div), 5 (Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div), 790-75 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), 5 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div).
There are 8 known substitutes for 4820-00-829-8500: 5310-00-185-6426, 6625-00-314-4162, 5310-00-356-4078 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 790-75: Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Thread Direction: RIGHT-HAND FIRST END; Material: COPPER ALLOY OVERALL; Style Designator: ANGLE. 17 total characteristics are documented in the Federal Logistics Information System.