| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-169-5316 (001695316) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc, Ashcroft Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | EXPOSED SPRING |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 63800.0 POUNDS PER HOUR |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AECS | BOLT HOLE QUANTITY | 8 1ST END |
| AECS | BOLT HOLE QUANTITY | 9 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 2ND END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CCFG | VALVE SIZE | 2.500 INCHES |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.250 INCHES 2ND END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.625 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 1.062 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 7.500 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 7.688 INCHES 2ND END |
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 2ND END |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT |
| Components Related to NSN - 4820-00-169-5316, 4820001695316 | ||||
| 4820-01-207-4765 (4820012074765) | 4810-01-288-4028 (4810012884028) | 4820-01-448-5478 (4820014485478) | 4820-01-669-0039 (4820016690039) | |
| 4820-00-289-0856 (4820002890856) | 4820-01-349-7107 (4820013497107) | 4820-01-251-6138 (4820012516138) | 4810-01-615-6216 (4810016156216) | |
| 4820-01-038-5445 (4820010385445) | 4820-01-171-6472 (4820011716472) | 4810-01-534-9910 (4810015349910) | 4820-01-254-9633 (4820012549633) | |
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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