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| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-425-1421 (014251421) |
| NCB Code | USA (01) |
| Manufacturer | Greno Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 630 STEM |
| AWLS | Connection Type | FLANGE 1ST END |
| MATT | Material | STEEL BODY |
| CWCD | Nominal Outside Diameter | 11.500 INCHES 1ST END |
| CWCT | Bolt Circle Nominal Diameter | 9.250 INCHES 1ST END |
| CWCQ | Bolt Hole Nominal Diameter | 0.875 INCHES 2ND END |
| MATT | Material | STEEL FLOW CONTROL DEVICE |
| AECS | Bolt Hole Quantity | 8 1ST END |
| MRC | Decoded Requirement | Clear Text Reply |
| AWLS | Connection Type | FLANGE 2ND END |
| CWCQ | Bolt Hole Nominal Diameter | 1.250 INCHES 1ST END |
| AECS | Bolt Hole Quantity | 12 2ND END |
| ARKN | Flange Shape | ROUND WITH HOLES 2ND END |
| CWCR | Second Connection Face To Centerline Distance | 7.750 INCHES |
| CWCL | First Connection Face To Centerline Distance | 8.750 INCHES |
| CWDF | Flange Face Design | RAISED STRAIGHT 2ND END |
| ARKN | Flange Shape | ROUND WITH HOLES 1ST END |
| MDCL | Material Document And Classification | ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| ADSU | Disk Loading Method | SPRING |
| STYL | Style Designator | ANGLE FLANGED ENDS |
| MDCL | Material Document And Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | Material Document And Classification | ASTM A351 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Relevant Components for NSN - 4820-01-425-1421, 4820014251421 | ||||
| 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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