| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-163-1257 (001631257) |
| NCB Code | USA (00) |
| Manufacturer | Pentair Valves And Controls |
| 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 | 32700.0 POUNDS PER HOUR" |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED" |
| AECS | BOLT HOLE QUANTITY | 8 1ST END" |
| AECS | BOLT HOLE QUANTITY | 8 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" |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE" |
| CCFG | VALVE SIZE | 2.500 INCHES" |
| CSDC | OPENING PRESSURE SETTING | 725.0 POUNDS PER SQUARE INCH" |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES 1ST END" |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.000 INCHES 2ND END" |
| CWCK | NOMINAL THICKNESS | 1.125 INCHES 2ND END" |
| CWCK | NOMINAL THICKNESS | 1.188 INCHES 1ST END" |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END" |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 2ND END" |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.875 INCHES 1ST END" |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 7.250 INCHES 2ND END" |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END" |
| CWDF | FLANGE FACE DESIGN | RECESSED STRAIGHT 1ST END" |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 2ND END" |
| CWDL | RAISED FACE NOMINAL DIAMETER | 5.500 INCHES 2ND END" |
| CWDP | RECESS NOMINAL DIAMETER | 6.875 INCHES 1ST END" |
| CWDS | RECESS NOMINAL DEPTH | 0.062 INCHES 1ST END" |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS" |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT" |
| 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 | 32700.0 POUNDS PER HOUR" |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED" |
| AECS | BOLT HOLE QUANTITY | 8 1ST END" |
| AECS | BOLT HOLE QUANTITY | 8 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" |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE" |
| CCFG | VALVE SIZE | 2.500 INCHES" |
| CSDC | OPENING PRESSURE SETTING | 725.0 POUNDS PER SQUARE INCH" |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES 1ST END" |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.000 INCHES 2ND END" |
| CWCK | NOMINAL THICKNESS | 1.125 INCHES 2ND END" |
| CWCK | NOMINAL THICKNESS | 1.188 INCHES 1ST END" |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END" |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 2ND END" |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.875 INCHES 1ST END" |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 7.250 INCHES 2ND END" |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END" |
| CWDF | FLANGE FACE DESIGN | RECESSED STRAIGHT 1ST END" |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 2ND END" |
| CWDL | RAISED FACE NOMINAL DIAMETER | 5.500 INCHES 2ND END" |
| CWDP | RECESS NOMINAL DIAMETER | 6.875 INCHES 1ST END" |
| CWDS | RECESS NOMINAL DEPTH | 0.062 INCHES 1ST END" |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS" |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT" |
| Relevant Components for NSN - 4820-00-163-1257, 4820001631257 | ||||
| 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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