| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-437-8956 (014378956) |
| NCB Code | USA (01) |
| Manufacturer | Stockham Valves And Fittings Inc, Manufacturers Standardization So |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| G-931-2.50IN | stockham valves and fittings inc | valve check | 82666 | RFQ |
| MSS-SP-71 | manufacturers standardization so | valve check | 59646 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AWLS | Connection Type | FLANGE ALL ENDS |
| STYL | Style Designator | STRAIGHT THRU FLANGED ENDS |
| CWCT | Bolt Circle Nominal Diameter | 5.500 INCHES ALL ENDS |
| CWCK | Nominal Thickness | 0.688 INCHES ALL ENDS |
| AECS | Bolt Hole Quantity | 4 ALL ENDS |
| CWCF | Face To Face Distance | 8.500 INCHES |
| ARKN | Flange Shape | ROUND WITH HOLES ALL ENDS |
| CWCQ | Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS |
| BBJX | Mounting Position | HORIZONTAL |
| MATT | Material | COPPER ALLOY FLOW CONTROL DEVICE |
| FEAT | Special Features | SWING CHECK VALVE |
| MATT | Material | COPPER ALLOY SEAT |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | IRON CAST BODY |
| ZZZK | Specification/Standard Data | 59646-MSS-SP-71 MANUFACTURERS STANDARD |
| AQLR | Valve Operation Method | AUTOMATIC |
| CWCD | Nominal Outside Diameter | 7.000 INCHES ALL ENDS |
| CCFG | Valve Size | 2.500 INCHES |
| CWDF | Flange Face Design | PLAIN ALL ENDS |
| ADQU | Flow Control Device | DISK |
| AGAV | End Item Identification | STRATEGIC SEALIFT CONVERSION SHIPS CLASS |
| ZZZT | Nondefinitive Spec/Std Data | 1 TYPE |
| Components Related to NSN - 4820-01-437-8956, 4820014378956 | ||||
| 4820-01-207-4765 (4820012074765) | 4810-01-288-4028 (4810012884028) | 4820-01-448-5478 (4820014485478) | 4820-01-669-0039 (4820016690039) | |
| 4820-00-289-0856 (4820002890856) | 4820-01-349-7107 (4820013497107) | 4820-01-251-6138 (4820012516138) | 4810-01-615-6216 (4810016156216) | |
| 4820-01-038-5445 (4820010385445) | 4820-01-171-6472 (4820011716472) | 4810-01-534-9910 (4810015349910) | 4820-01-254-9633 (4820012549633) | |
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