| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-121-8058 (011218058) |
| NCB Code | USA (01) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| THSD | Thread Series Designator | NPT 1ST END |
| AWLS | Connection Type | FLANGE 2ND END |
| MATT | Material | COPPER ALLOY STEM |
| AECS | Bolt Hole Quantity | 4 2ND END |
| CWCQ | Bolt Hole Nominal Diameter | 0.625 INCHES 2ND END |
| CWCR | Second Connection Face To Centerline Distance | 4.375 INCHES |
| CWCD | Nominal Outside Diameter | 6.000 INCHES 2ND END |
| CWCL | First Connection Face To Centerline Distance | 4.250 INCHES |
| CWDL | Raised Face Nominal Diameter | 4.062 INCHES 2ND END |
| AQLR | Valve Operation Method | AUTOMATIC |
| CWCT | Bolt Circle Nominal Diameter | 4.750 INCHES 2ND END |
| CWDH | Raised Face Nominal Height | 0.062 INCHES 2ND END |
| CWCK | Nominal Thickness | 0.625 INCHES 2ND END |
| CWDF | Flange Face Design | RAISED STRAIGHT 2ND END |
| AGAV | End Item Identification | CONDENSATE TANK ONBOARD 270 FT WMEC CG VESSELS |
| MATT | Material | IRON CAST BODY |
| CCFG | Valve Size | 3.000 INCHES |
| AAJF | Thread Direction | RIGHT-HAND 1ST END |
| MATT | Material | COPPER ALLOY SEAT |
| AEHZ | Maximum Operating Temp | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AWLS | Connection Type | THREADED INTERNAL PIPE 1ST END |
| ARKN | Flange Shape | ROUND WITH HOLES 2ND END |
| STYL | Style Designator | ANGLE FLANGED ENDS |
| AHNC | Connection Style | PLAIN,OPTIONAL END(PIPE) 1ST END |
| MATT | Material | COPPER ALLOY FLOW CONTROL DEVICE |
| ADQU | Flow Control Device | DISK |
| CQJX | Nominal Thread Size | 3.000 INCHES 1ST END |
| MRC | Decoded Requirement | Clear Text Reply |
| Relevant Components for NSN - 4820-01-121-8058, 4820011218058 | ||||
| 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) | |
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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