| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-268-8778 (002688778) |
| NCB Code | USA (00) |
| Manufacturer | The Walworth Company, Manufacturers Standardization So, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3412 3 4IN | the walworth company | valve check | 63686 | RFQ |
| MSS SP-80 | manufacturers standardization so | valve check | 59646 | RFQ |
| TYPE 4 CLASS B 3 4 IN | manufacturers standardization so | valve check | 59646 | RFQ |
| WWV51 | federal specifications | valve check | 81348 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AEHZ | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END (PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE AND B CLASS AND 3/4 SIZE |
| Components Related to NSN - 4820-00-268-8778, 4820002688778 | ||||
| 4810-01-379-3588 (4810013793588) | 4810-00-763-4834 (4810007634834) | 4820-01-524-6893 (4820015246893) | 4820-01-237-2801 (4820012372801) | |
| 4820-01-103-6880 (4820011036880) | 4820-01-312-1011 (4820013121011) | 4810-01-509-0551 (4810015090551) | 4820-01-345-9229 (4820013459229) | |
| 4810-01-376-2787 (4810013762787) | 4820-01-241-5464 (4820012415464) | 4810-01-386-3270 (4810013863270) | 4820-01-312-5840 (4820013125840) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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