| 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 |
| Components Related to NSN - 4820-00-761-1981, 4820007611981 | ||||
| 4820-01-279-1339 (4820012791339) | 4820-01-250-8611 (4820012508611) | 4810-01-039-5970 (4810010395970) | 4820-01-284-4289 (4820012844289) | |
| 4820-01-671-6098 (4820016716098) | 4820-00-287-2199 (4820002872199) | 4820-01-277-6509 (4820012776509) | 4820-01-178-7551 (4820011787551) | |
| 4820-01-064-2440 (4820010642440) | 4820-00-391-3785 (4820003913785) | 4820-00-066-2358 (4820000662358) | 4820-01-197-6798 (4820011976798) | |
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