| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-784-4131 (007844131) |
| NCB Code | USA (00) |
| Manufacturer | The Walworth Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| N10552B1-2IN | the walworth company | valve check | 63686 | RFQ |
| N330-1-2IN | the walworth company | valve check | 63686 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| BBJX | Mounting Position | HORIZONTAL OR VERTICAL |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | COPPER ALLOY BODY |
| CQGM | Maximum Operating Pressure | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| STYL | Style Designator | OFFSET |
| ACJN | Offset Distance | 0.812 INCHES |
| MDCL | Material Document And Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AQLR | Valve Operation Method | AUTOMATIC |
| ADQU | Flow Control Device | POPPET |
| ADSU | Disk Loading Method | SPRING |
| MEDA | Media For Which Designed | AIR 1ST RESPONSE |
| MATT | Material | COPPER ALLOY SEAT |
| MDCL | Material Document And Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| AHNC | Connection Style | STREAMLINED WITH TWO BRAZING RING (PIPE) ALL ENDS |
| AAAR | Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS |
| AWLS | Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| MATT | Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| MEDA | Media For Which Designed | WATER-OIL-GAS 2ND RESPONSE |
| Relevant Components for NSN - 4820-00-784-4131, 4820007844131 | ||||
| 4820-01-680-0758 (4820016800758) | 4820-01-143-5485 (4820011435485) | 4820-00-055-1456 (4820000551456) | 4820-01-064-7247 (4820010647247) | |
| 4820-01-659-8956 (4820016598956) | 4820-00-950-5912 (4820009505912) | 4820-01-070-5428 (4820010705428) | 4820-01-390-2772 (4820013902772) | |
| 4820-01-117-0449 (4820011170449) | 4820-01-013-4639 (4820010134639) | 4820-01-360-4401 (4820013604401) | 4810-01-666-7132 (4810016667132) | |
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