| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-428-6423 (014286423) |
| NCB Code | USA (01) |
| Manufacturer | Griswold Industries Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| STYL | Style Designator | STRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| CWCK | Nominal Thickness | 0.500 INCHES ALL ENDS |
| CWCD | Nominal Outside Diameter | 6.630 INCHES ALL ENDS |
| ADSU | Disk Loading Method | SPRING |
| CWDF | Flange Face Design | PLAIN ALL ENDS |
| ARKN | Flange Shape | ROUND WITH HOLES ALL ENDS |
| AWLS | Connection Type | FLANGE ALL ENDS |
| AECS | Bolt Hole Quantity | 8 ALL ENDS |
| AGAV | End Item Identification | MODEL 45120 |
| CWCT | Bolt Circle Nominal Diameter | 5.500 INCHES ALL ENDS |
| CCFG | Valve Size | 3.000 INCHES |
| CWCF | Face To Face Distance | 12.000 INCHES |
| CQCY | Adjustable Pressure Range | +10.0/+100.0 POUNDS PER SQUARE INCH |
| MATT | Material | COPPER ALLOY BODY |
| TMQY | Furnished Items And Quantity | 1 STRAINER |
| CWCQ | Bolt Hole Nominal Diameter | 0.563 INCHES ALL ENDS |
| MRC | Decoded Requirement | Clear Text Reply |
| AQLR | Valve Operation Method | AUTOMATIC |
| MATT | Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| ADSR | Bonnet Type | INSIDE SPRING |
| ADST | Bonnet Attachment Method | UNION |
| Relevant Components for NSN - 4820-01-428-6423, 4820014286423 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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