| Item Name | Disk Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-250-1978 (012501978) |
| NCB Code | USA (01) |
| Manufacturer | Flotech Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 5.250 INCHES NOMINAL |
| ABND | TAPER LENGTH | 4.812 INCHES NOMINAL |
| ABQA | TAPER MINOR DIAMETER | 1.446 INCHES NOMINAL |
| ABQB | TAPER MAJOR DIAMETER | 2.285 INCHES NOMINAL |
| BGST | PRESSURE RATING | 100.0 POUNDS PER SQUARE INCH NOMINAL |
| CRRB | SEAT ANGLE | 0.5 RADIANS NOMINAL |
| MATT | MATERIAL | NICKEL ALLOY |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS OR OIL |
| STYL | STYLE DESIGNATOR | SOLID WEDGE |
| Relevant Components for NSN - 4820-01-250-1978, 4820012501978 | ||||
| 4820-01-251-8295 (4820012518295) | 4820-01-606-5732 (4820016065732) | 4820-01-504-6136 (4820015046136) | 4820-01-345-7050 (4820013457050) | |
| 4810-01-373-6377 (4810013736377) | 4810-01-079-4456 (4810010794456) | 4820-01-280-4146 (4820012804146) | 4820-01-651-8515 (4820016518515) | |
| 4820-01-688-1777 (4820016881777) | 4820-01-439-5575 (4820014395575) | 4820-01-228-6731 (4820012286731) | 4820-01-645-8483 (4820016458483) | |
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