| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-421-5869 (004215869) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Corporation, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 34670-3 | eaton corporation | valve safety relief | 99643 | RFQ |
| A51H9032-1 | northrop grumman systems corporation | valve safety relief | 79rg9 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADSR | BONNET TYPE | PACKING RETAINING |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 15.0 CUBIC FEET PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 330.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 20 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 4500.0 POUNDS PER SQUARE INCH |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| MATT | MATERIAL | COPPER ALLOY 170 FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 630 BODY |
| MATT | MATERIAL | STEEL COMP 630 SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | NITROGEN,GASEOUS 2ND RESPONSE |
| SFTT | SURFACE TREATMENT | PAINT AND PRIMER |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| Components Related to NSN - 4820-00-421-5869, 4820004215869 | ||||
| 4820-00-775-3968 (4820007753968) | 4820-01-407-1380 (4820014071380) | 4810-01-384-9916 (4810013849916) | 4820-00-036-1498 (4820000361498) | |
| 4820-01-445-1127 (4820014451127) | 4820-01-431-0885 (4820014310885) | 4820-01-168-8308 (4820011688308) | 4820-00-967-1001 (4820009671001) | |
| 4820-01-136-3800 (4820011363800) | 4810-01-524-9684 (4810015249684) | 4820-01-068-2378 (4820010682378) | 4820-01-370-6648 (4820013706648) | |
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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