| Item Name | Valve Relief Pressure And Temper |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-761-1981 (007611981) |
| NCB Code | USA (00) |
| Manufacturer | Electric Heater Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1771093 | electric heater company the | valve relief pressure and temper | 19857 | RFQ |
| 17723-7 | electric heater company the | valve relief pressure and temper | 19857 | RFQ |
| HSRV-1 | electric heater company the | valve relief pressure and temper | 19857 | RFQ |
| HSRV-1-85 | electric heater company the | valve relief pressure and temper | 19857 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABEP | STEM MATERIAL | STEEL,CORROSION RESISTING |
| ACKL | MEDIA FOR WHICH DESIGNED | WATER,FRESH |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADSV | OPENING PRESSURE SETTING | 80.0 POUNDS PER SQUARE INCH |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AAFZ | BODY MATERIAL | BRONZE |
| AAQL | BODY STYLE | ANGLE GIVE ADQM AND ADQN ONLY IF FLANGED ONE OR TWO ENDS |
| ABJH | TEMP RATING | 180.0 DEG FAHRENHEIT |
| ACKM | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACMN | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| ACSH | SEAT MATERIAL | BRONZE |
| ADQV | FLOW CONTROL DEVICE MATERIAL | BRONZE |
| AFKX | TEMP CONTROL DEVICE TYPE | FUSIBLE |
| Relevant Components for NSN - 4820-00-761-1981, 4820007611981 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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