| Item Name | Disk Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-981-8917 (009818917) |
| NCB Code | USA (00) |
| Manufacturer | Hammond Valve Corp, Lunkenheimer Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| ABHE | OUTSIDE DIAMETER | 1.875 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.984 INCHES NOMINAL |
| BGST | PRESSURE RATING | 200.0 POUNDS PER SQUARE INCH NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | 1.125 INCHES |
| CRRB | SEAT ANGLE | 45.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | TWO SLOTS 0.094 IN. W,0.031 IN. DEEP LOCATED 1.500 IN. APART |
| MATT | MATERIAL | NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288,COMPA FED SPEC SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | PLUG |
| THSD | THREAD SERIES DESIGNATOR | UNS |
| Relevant Components for NSN - 4820-00-981-8917, 4820009818917 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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