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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) | 01-537-0175 (015370175) |
| NCB Code | USA (01) |
| Manufacturer | William E Williams Valve Corp, Newmans Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A0977-004 PN 31F-FS2-INT-FF-.75I | william e williams valve corp | valve check | RFQ |
| A097-004 | newmans inc | valve check | RFQ |
| 31F-FS2-INT-FF-.75IN | newmans inc | valve check | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL BODY |
| MDCL | Material Document And Classification | ASTM A479-410 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | Media For Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| CWCK | Nominal Thickness | 0.440 INCHES ALL ENDS |
| CWCD | Nominal Outside Diameter | 3.880 INCHES ALL ENDS |
| MATT | Material | STEEL FLOW CONTROL DEVICE |
| CWDF | Flange Face Design | PLAIN ALL ENDS |
| ARKN | Flange Shape | ROUND WITH HOLES ALL ENDS |
| AWLS | Connection Type | FLANGE ALL ENDS |
| AGAV | End Item Identification | NEW CONSTRUCTION LCS1 |
| AECS | Bolt Hole Quantity | 4 ALL ENDS |
| STYL | Style Designator | STRAIGHT THRU FLANGED ENDS |
| MDCL | Material Document And Classification | ASTM A479-410 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| MRC | Decoded Requirement | Clear Text Reply |
| CWCT | Bolt Circle Nominal Diameter | 2.750 INCHES ALL ENDS |
| ADZH | Renewable Seat Ring Type | PRESSED-IN |
| CXCY | Part Name Assigned By Controlling Agency | SWING CHECK VALVE |
| CCFG | Valve Size | 0.750 INCHES |
| CWCF | Face To Face Distance | 4.500 INCHES |
| MATT | Material | STEEL SEAT |
| CQGM | Maximum Operating Pressure | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCQ | Bolt Hole Nominal Diameter | 0.620 INCHES ALL ENDS |
| AQLR | Valve Operation Method | AUTOMATIC |
| ADQU | Flow Control Device | DISK |
| ADSU | Disk Loading Method | WEIGHT |
| MDCL | Material Document And Classification | ASTM A105N ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Relevant Components for NSN - 4820-01-537-0175, 4820015370175 | ||||
| 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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