| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-858-2531 (008582531) |
| NCB Code | USA (00) |
| Manufacturer | Saf Industries Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CMLP | THREAD QUANTITY PER INCH | 16 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES 1ST END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| MATT | MATERIAL | STEEL COMP 416 BODY |
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END |
| FEAT | SPECIAL FEATURES | PART OF OIL TANK ASSEMBLY,ENGINE,USED ON ALLISON PROPJET,CONVAIR MODEL 580 AIRPLANE |
| MATT | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-753 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNF 2ND END |
| THSD | THREAD SERIES DESIGNATOR | UNJ 1ST END |
| Relevant Components for NSN - 4820-00-858-2531, 4820008582531 | ||||
| 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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