| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-273-3640 (012733640) |
| NCB Code | USA (01) |
| Manufacturer | Ashcroft Inc, Ingersoll Dresser Pump Co |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1542D 3 4IN 40PSI | ashcroft inc | valve safety relief | 38056 | RFQ |
| 1542D 3 4IN 40PSI | ingersoll dresser pump co | valve safety relief | 77081 | RFQ |
| F-202 PART 844 | ingersoll dresser pump co | valve safety relief | 77081 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 40.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | VALVE SIZE 0.750 IN. |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| Relevant Components for NSN - 4820-01-273-3640, 4820012733640 | ||||
| 4820-00-826-2534 (4820008262534) | 4820-01-212-8639 (4820012128639) | 4820-01-299-5070 (4820012995070) | 4820-01-311-8336 (4820013118336) | |
| 4820-00-872-1404 (4820008721404) | 4810-01-699-7433 (4810016997433) | 4810-01-546-7955 (4810015467955) | 4820-01-596-0825 (4820015960825) | |
| 4820-01-327-4978 (4820013274978) | 4820-01-272-7691 (4820012727691) | 4820-00-453-3551 (4820004533551) | 4820-00-304-9412 (4820003049412) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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