| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-705-8087 (007058087) |
| NCB Code | USA (00) |
| Manufacturer | Crissair Inc, Eaton Aerospace Ltd, Eaton Corporation, Sikorsky Aircraft Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| BBJX | MOUNTING POSITION | VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 35.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | ALUMINUM ALLOY SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| Relevant Components for NSN - 4820-00-705-8087, 4820007058087 | ||||
| 4820-01-457-8919 (4820014578919) | 4820-00-518-4670 (4820005184670) | 4820-01-087-8164 (4820010878164) | 4820-01-658-8314 (4820016588314) | |
| 4820-01-600-0105 (4820016000105) | 4820-01-221-1573 (4820012211573) | 4820-01-117-0037 (4820011170037) | 4820-01-047-2107 (4820010472107) | |
| 4820-00-818-1047 (4820008181047) | 4820-01-544-0867 (4820015440867) | 4810-00-679-2778 (4810006792778) | 4820-01-115-6756 (4820011156756) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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