NSN 4820-00-166-0278 · NIIN 001660278 · FSC 4820
NO DASHES 4820001660278
In Stock
VALVE,SAFETY RELIEF
Valves, Nonpowered
Technical characteristics
31 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| 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 | POUNDS PER HOUR 8900.0 |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AECS | BOLT HOLE QUANTITY | 4 |
| AECS | BOLT HOLE QUANTITY | 8 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| ARKN | FLANGE SHAPE | FIRST END ROUND WITH HOLES |
| ARKN | FLANGE SHAPE | SECOND END ROUND WITH HOLES |
| AWLS | CONNECTION TYPE | FIRST END FLANGE |
| AWLS | CONNECTION TYPE | SECOND END FLANGE |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CCFG | VALVE SIZE | INCHES 1.500 |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 700.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | FIRST END INCHES 6.500 |
| CWCD | NOMINAL OUTSIDE DIAMETER | SECOND END INCHES 6.125 |
| CWCK | NOMINAL THICKNESS | FIRST END INCHES 0.812 |
| CWCK | NOMINAL THICKNESS | SECOND END INCHES 0.875 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | FIRST END INCHES 0.750 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | SECOND END INCHES 0.875 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | FIRST END INCHES 5.000 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | SECOND END INCHES 4.500 |
| CWDF | FLANGE FACE DESIGN | FIRST END RAISED STRAIGHT |
| CWDF | FLANGE FACE DESIGN | SECOND END PLAIN |
| CWDH | RAISED FACE NOMINAL HEIGHT | FIRST END INCHES 0.062 |
| CWDL | RAISED FACE NOMINAL DIAMETER | FIRST END INCHES 3.625 |
| FEAT | SPECIAL FEATURES | THE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET |
| STYL | STYLE DESIGNATOR | |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT AND AS MODIFIED BY CROSBY VALVE AND GAGE CO DRAWING H43589 SHEET 2 |
Cross-references
3 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| 3176765 | 80064 |
| A34153 M0D | 15187 |
| A34153 | 15187 |
Supersedes
This item replaces cancelled NIINs 001651550 · 001729121. An older drawing citing one of those numbers resolves here.