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| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-283-3957 (012833957) |
| NCB Code | USA (01) |
| Manufacturer | Meggitt Safety Systems Inc, Ausco Products Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CCFG | VALVE SIZE | 0.250 INCHES |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCF | FACE TO FACE DISTANCE | 1.010 INCHES |
| FEAT | SPECIAL FEATURES | MATERIAL FOR SEALS: SILICONE RUBBER,AMS 3304; ENDS OF 2ND END CONNECTION ANGLED FOR SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643,17-4PH ASSN STD 1ST MATERIAL RESPONSE BODY AND AMS 5678,17-7PH ASSN STD 2ND MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | NITROGEN,GASEOUS 2ND RESPONSE |
| SUPP | SUPPLEMENTARY FEATURES | APPL TO ACFT,TYPE C-5B |
| Relevant Components for NSN - 4820-01-283-3957, 4820012833957 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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