| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-658-0319 (016580319) |
| NCB Code | USA (01) |
| Manufacturer | William E Williams Valve Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2.50 | william e williams valve corp | valve check | 79342 | RFQ |
| 2.50IN 151F62N(MOD | william e williams valve corp | valve check | 79342 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MDCL | Material Document And Classification | ASTM A216-WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| CWCF | Face To Face Distance | 8.50 INCHES |
| CWCT | Bolt Circle Nominal Diameter | 5.50 INCHES ALL ENDS |
| MRC | Decoded Requirement | Clear Text Reply |
| AECS | Bolt Hole Quantity | 4 ALL ENDS |
| STYL | Style Designator | STRAIGHT THRU FLANGED ENDS |
| CWCQ | Bolt Hole Nominal Diameter | 0.75 INCHES ALL ENDS |
| MATT | Material | STEEL FLOW CONTROL DEVICE |
| CWCD | Nominal Outside Diameter | 7.00 INCHES ALL ENDS |
| CWDF | Flange Face Design | PLAIN ALL ENDS |
| CCFG | Valve Size | 2.50 INCHES |
| AWLS | Connection Type | FLANGE ALL ENDS |
| CWCK | Nominal Thickness | 0.69 INCHES ALL ENDS |
| ARKN | Flange Shape | ROUND WITH HOLES ALL ENDS |
| ADQU | Flow Control Device | DISK |
| MATT | Material | STEEL BODY |
| MDCL | Material Document And Classification | ASTM A105+316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| CXCY | Part Name Assigned By Controlling Agency | SWING CHECK VALVE |
| AQLR | Valve Operation Method | AUTOMATIC |
| Components Related to NSN - 4820-01-658-0319, 4820016580319 | ||||
| 4820-01-373-8958 (4820013738958) | 4820-01-129-8013 (4820011298013) | 4820-01-440-6910 (4820014406910) | 4810-01-523-9395 (4810015239395) | |
| 4810-01-541-8177 (4810015418177) | 4810-01-480-3370 (4810014803370) | 4820-01-190-5941 (4820011905941) | 4820-01-130-0014 (4820011300014) | |
| 4820-01-365-6951 (4820013656951) | 4820-01-414-5558 (4820014145558) | 4820-01-319-9150 (4820013199150) | 4820-00-488-8376 (4820004888376) | |
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