| 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 | ||||
| 4810-20-003-8822 (4810200038822) | 4810-01-014-8016 (4810010148016) | 4810-01-084-1238 (4810010841238) | 4810-01-411-7729 (4810014117729) | |
| 4820-01-408-3745 (4820014083745) | 4820-01-456-9072 (4820014569072) | 4820-01-297-1947 (4820012971947) | 4820-01-135-8329 (4820011358329) | |
| 4820-00-214-6773 (4820002146773) | 4810-01-588-5008 (4810015885008) | 4820-01-538-8242 (4820015388242) | 4820-01-628-7496 (4820016287496) | |
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