| Item Name | Diaphragm Valve Flat |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-371-7137 (003717137) |
| NCB Code | USA (00) |
| Manufacturer | Waterous Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.312 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| ABHE | OUTSIDE DIAMETER | 2.740 INCHES NOMINAL |
| ABKG | BOLT CIRCLE DIAMETER | 1.728 INCHES MINIMUM AND 1.940 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.070 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 0.375 INCHES NOMINAL |
| AECS | BOLT HOLE QUANTITY | 4 |
| MATT | MATERIAL | RUBBER FABRIC REINFORCED |
| STYL | STYLE DESIGNATOR | FLAT |
| Relevant Components for NSN - 4820-00-371-7137, 4820003717137 | ||||
| 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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