| 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 |
| Components Related to NSN - 4820-00-981-8917, 4820009818917 | ||||
| 4820-01-146-7027 (4820011467027) | 4810-01-355-3183 (4810013553183) | 4810-01-419-8636 (4810014198636) | 4820-00-090-9826 (4820000909826) | |
| 4810-01-327-3142 (4810013273142) | 4810-01-061-6088 (4810010616088) | 4820-01-317-8225 (4820013178225) | 4820-00-682-7907 (4820006827907) | |
| 4810-01-367-2864 (4810013672864) | 4820-01-567-8742 (4820015678742) | 4810-00-124-3405 (4810001243405) | 4820-12-340-9380 (4820123409380) | |
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