| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-348-4263 (013484263) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Crissair Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AKGG | NOMINAL LENGTH | 4.000 INCHES ALL ENDS |
| ARKN | FLANGE SHAPE | RECTANGULAR WITH HOLES ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| MATT | MATERIAL | ALUMINUM ALLOY A356.0 BODY OR ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | ALUMINUM ALLOY A356.0 FLOW CONTROL DEVICE OR ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-596 FED SPEC 1ST MATERIAL RESPONSE BODY OR QQ-A-275/6 FED SPEC 2ND MATERIAL RESPONSE BODY |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AZGM | MOUNTING FACILITY | BRACKET |
| CQGM | MAXIMUM OPERATING PRESSURE | 1.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCF | FACE TO FACE DISTANCE | 1.420 INCHES |
| SFTT | SURFACE TREATMENT | ANODIZE |
| AEHZ | MAXIMUM OPERATING TEMP | -54.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 43.0 DEG FAHRENHEIT 2ND RESPONSE |
| AKGF | NOMINAL WIDTH | 3.250 INCHES ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CCFG | VALVE SIZE | 2.500 INCHES |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 2.625 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-596 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE OR QQ-A-275/6 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| CWCK | NOMINAL THICKNESS | 0.062 INCHES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.174 INCHES ALL ENDS |
| CWDC | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 2.375 INCHES ALL ENDS |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Relevant Components for NSN - 4820-01-348-4263, 4820013484263 | ||||
| 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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