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 4820-00-251-6521 (4820002516521). 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: | 4820002516521 |
| Manufacturers | Circor Aerospace Inc |
| Item Name | Valve Check |
| INC Code | 05487 |
| Federal Supply Group (FSG) | 48 Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-251-6521 (002516521) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| MEDA | Media For Which Designed | AIR 1ST RESPONSE |
| BBJX | Mounting Position | HORIZONTAL OR VERTICAL |
| CQGM | Maximum Operating Pressure | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| STYL | Style Designator | STRAIGHT THRU |
| AQLR | Valve Operation Method | AUTOMATIC |
| ADSU | Disk Loading Method | SPRING |
| AAJF | Thread Direction | RIGHT-HAND ALL ENDS |
| AEHZ | Maximum Operating Temp | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CQJX | Nominal Thread Size | 0.375 INCHES ALL ENDS |
| AHNC | Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| AWLS | Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| MEDA | Media For Which Designed | FUEL/OIL, HYDROCARBON 2ND RESPONSE |
| MEDA | Media For Which Designed | WATER, FRESH 3RD RESPONSE |
| THSD | Thread Series Designator | NPT ALL ENDS |
| MATT | Material | STEEL OVERALL |
| ADQU | Flow Control Device | POPPET |
| MRC | Decoded Requirement | Clear Text Reply |
| 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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