| Item Name | Valve Relief Pressure And Temper |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-079-4372 (000794372) |
| NCB Code | USA (00) |
| Manufacturer | Pneudraulics Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | ALUMINUM ALLOY,QQ-A-225/6,ALLOY 2024,T351 |
| AAJP | OUTSIDE SURFACE TREATMENT | PASSIVATED |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABJH | TEMP RATING | -65.0 DEG FAHRENHEIT |
| ABJH | TEMP RATING | 275.0 DEG FAHRENHEIT |
| ACKL | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID,PHOSPHATE-ESTER BASE |
| ACSH | SEAT MATERIAL | STEEL,FED STD 66,AISI 440C/SAE 51440C |
| ADQL | FACE TO FACE DISTANCE | 5.850 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQV | FLOW CONTROL DEVICE MATERIAL | STEEL,FED STD 66,AISI 440C/SAE 51440C |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADSV | OPENING PRESSURE SETTING | 3620.0 POUNDS PER SQUARE INCH |
| ADSY | VALVE DISCHARGE FLOW RATE | 36.0 GALLONS PER MINUTE |
| AEVU | BULB LENGTH | 0.989 INCHES NOMINAL |
| AEVV | BULB DIAMETER | 1.625 INCHES NOMINAL |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| ZZZV | FSC APPLICATION DATA | AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS |
| Components Related to NSN - 4820-00-079-4372, 4820000794372 | ||||
| 4820-01-279-1339 (4820012791339) | 4820-01-250-8611 (4820012508611) | 4810-01-039-5970 (4810010395970) | 4820-01-284-4289 (4820012844289) | |
| 4820-01-671-6098 (4820016716098) | 4820-00-287-2199 (4820002872199) | 4820-01-277-6509 (4820012776509) | 4820-01-178-7551 (4820011787551) | |
| 4820-01-064-2440 (4820010642440) | 4820-00-391-3785 (4820003913785) | 4820-00-066-2358 (4820000662358) | 4820-01-197-6798 (4820011976798) | |
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