The Valve,safety Relief, cataloged under National Stock Number 4820-00-289-0885, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aquatrol Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-289-0885 |
| Primary Part Number | 79-3/4 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aquatrol Inc |
| Status | ACTIVE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Features Provided | PRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE |
| Nominal Thread Size | 0.750 INCHES SECOND END0.750 INCHES SECOND END IN |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST ENDPLAIN,OPTIONAL END(PIPE) FIRST END |
| Material | STEEL STEMCOPPER ALLOY FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Flow Control Device | POPPETPOPPET |
| Adjustable Pressure Range | +61.0 TO 120.0 POUNDS PER SQUARE INCH+61.0 TO 120.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.750 INCHES FIRST END0.750 INCHES FIRST END IN |
| Media for Which Designed | WATER, FRESH SECOND RESPONSE |
| Disk Loading Method | SPRINGSPRING |
| Thread Direction | RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END |
| Style Designator | ANGLE |
| Thread Series Designator | NPT SECOND ENDNPT FIRST END |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Connection Type | THREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END |
| Material | STEEL STEM |
| Material | COPPER ALLOY FLOW CONTROL DEVICECOPPER ALLOY SEAT |
| Material | COPPER ALLOY SEATCOPPER ALLOY BODY |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END0.750 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATICAUTOMATIC |
| Thread Series Designator | NPT SECOND END |
| Media for Which Designed | WATER, FRESH SECOND RESPONSESTEAM FIRST RESPONSE |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Thread Quantity Per Inch | 14 FIRST END14 FIRST END |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE SEATQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Thread Direction | RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END |
| Thread Quantity Per Inch | 14 SECOND END14 SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-289-0885 is a Valve,safety Relief, manufactured by Aquatrol Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-289-0885 has 3 cross-referenced part numbers: 2601 (Crane Co Div Valve Div), 79-3/4 (Aquatrol Inc), 155-3/4IN (Jayco Incorporated).
There are 10 known substitutes for 4820-00-289-0885: 7510-00-162-6157, 2920-00-217-9058, 5315-00-276-0193 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 79-3/4: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 400.0 FAHRENHEIT SINGLE RESPONSE400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Features Provided: PRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE; Nominal Thread Size: 0.750 INCHES SECOND END0.750 INCHES SECOND END IN. 30 total characteristics are documented in the Federal Logistics Information System.