| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-875-1579 (008751579) |
| NCB Code | USA (00) |
| Manufacturer | Atlas Valve Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAHF | FIRST END FLANGE OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |
| AAQL | BODY STYLE | TEE |
| ACKL | MEDIA FOR WHICH DESIGNED | STEAM |
| ACKM | FIRST END CONNECTION TYPE | RAISED FACE FLANGE |
| ACKN | FIRST END STYLE DESIGNATOR | RAISED |
| ACKQ | FIRST END RAISED FACE DIAMETER | 2.000 INCHES NOMINAL |
| ACKT | FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| ACKU | FIRST END FLANGE THICKNESS | 0.437 INCHES NOMINAL |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQL | FACE TO FACE DISTANCE | 7.000 INCHES NOMINAL |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | NOT INCLUDED |
| AZKQ | TEMP RATING | 650.0 DEG FAHRENHEIT NOMINAL |
| MATT | MATERIAL | STEEL UNS J03008 BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-15083,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| AAJP | OUTSIDE SURFACE TREATMENT | CADMIUM |
| ACKP | FIRST END RAISED FACE HEIGHT | 0.062 INCHES NOMINAL |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 4 |
| ACLA | FIRST END BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| ACLB | FIRST END BOLT CIRCLE DIAMETER | 3.125 INCHES NOMINAL |
| ACSH | SEAT MATERIAL | COBALT ALLOY |
| ADQM | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 2.375 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQV | FLOW CONTROL DEVICE MATERIAL | STEEL,MIL-S-15083,GRADE B |
| ADQZ | END CONNECTION QUANTITY | 2 |
| Relevant Components for NSN - 4820-00-875-1579, 4820008751579 | ||||
| 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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