| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-203-2577 (002032577) |
| NCB Code | USA (00) |
| Manufacturer | Ashcroft Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1813BC4 2 1 2IN 58T6PSI FLGE | ashcroft inc | valve safety relief | 38056 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | 58.0/66.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.000 INCHES 1ST END |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.625 INCHES |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 1ST END |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.000 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| Relevant Components for NSN - 4820-00-203-2577, 4820002032577 | ||||
| 4810-01-547-2012 (4810015472012) | 4820-01-698-0859 (4820016980859) | 4810-01-240-8588 (4810012408588) | 4820-01-380-2942 (4820013802942) | |
| 4820-01-226-2114 (4820012262114) | 4820-01-457-2193 (4820014572193) | 4820-01-420-4996 (4820014204996) | 4820-00-758-7343 (4820007587343) | |
| 4820-01-435-2099 (4820014352099) | 4810-01-178-7003 (4810011787003) | 4810-01-259-7300 (4810012597300) | 4820-01-200-8668 (4820012008668) | |
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