AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-273-0493 (012730493) |
| NCB Code | USA (01) |
| Manufacturer | Rego Co, Nacco Materials Handling Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AEHZ | MAXIMUM OPERATING TEMP | 165.0 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 |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 250.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | VALVE SIZE IS 0.250 IN. |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | NITROGEN,GASEOUS 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | OXYGEN,GASEOUS 4TH RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| Relevant Components for NSN - 4820-01-273-0493, 4820012730493 | ||||
| 4810-00-872-2016 (4810008722016) | 4810-01-701-8537 (4810017018537) | 4820-01-147-9334 (4820011479334) | 4820-01-654-7545 (4820016547545) | |
| 4820-01-701-6726 (4820017016726) | 4820-01-310-4503 (4820013104503) | 4820-01-346-3872 (4820013463872) | 4820-01-477-2791 (4820014772791) | |
| 4810-01-665-1605 (4810016651605) | 4820-01-487-1839 (4820014871839) | 4820-01-528-2828 (4820015282828) | 4820-01-340-1265 (4820013401265) | |
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.
Request for Quote