ASAP Semiconductor is an industry-leading distributor for shopping for parts by National Stock Number (NSN) data, the items featured within this catalog all falling under NSN 4820-00-142-1022 (4820001421022). Toward the top of this page, you will find several details that pertain to this NSN, allowing you to confirm various aspects of these offerings to ensure accurate procurement. Meanwhile, the part numbers that we have available for purchase can be found below, with Request for Quote (RFQ) links provided alongside each should you wish to make a purchase. Our team is also available by phone or email to support you during the procurement process, so never hesitate to take the first step with us.
| Alternative NSN: | 4820001421022 |
| Manufacturers | Dresser Industries Inc |
| Item Name | Valve Safety Relief |
| INC Code | 05488 |
| Federal Supply Group (FSG) | 48 Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-142-1022 (001421022) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| AECS | BOLT HOLE QUANTITY | 8 1ST END |
| AECS | BOLT HOLE QUANTITY | 8 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| 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 |
| CSDC | OPENING PRESSURE SETTING | 639.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 8.687 INCHES 2ND END |
| CWCK | NOMINAL THICKNESS | 0.875 INCHES 2ND END |
| CWCK | NOMINAL THICKNESS | 1.437 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.187 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.875 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 7.125 INCHES 2ND END |
| CWDF | FLANGE FACE DESIGN | PLAIN 2ND END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 1ST END |
| CWDL | RAISED FACE NOMINAL DIAMETER | 4.125 INCHES 1ST END |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| STYL | STYLE DESIGNATOR | ANGLE |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 44700.0 POUNDS PER HOUR |
| 4810-01-103-6098 (4810011036098) | 4820-01-334-0599 (4820013340599) | 4820-01-537-2778 (4820015372778) | 4820-01-510-0543 (4820015100543) |
| 4820-01-354-1657 (4820013541657) | 4820-01-338-6230 (4820013386230) | 4820-00-417-5424 (4820004175424) | 4820-01-223-5119 (4820012235119) |
| 4820-00-626-7481 (4820006267481) | 4820-01-352-3713 (4820013523713) | 4820-00-055-6778 (4820000556778) | 4820-01-240-3067 (4820012403067) |
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