| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-793-5837 (007935837) |
| NCB Code | USA (00) |
| Manufacturer | Applied Engineering Consultants Inc, Grindley Manufacturing Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 8.0 CUBIC FEET PER MINUTE |
| AGAV | END ITEM IDENTIFICATION | ACFT,TYPE F-4C/D; T.O. 1F-4C-4-3,FIG 56,INDEX 23 |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 100.0/1400.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 1400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| TEST | TEST DATA DOCUMENT | 33525-840892 DRAWING (THIS IS THE BASIC GOVERNING DRAWING,SUCH AS A CONTRACTOR DRAWING,ORIGINAL EQUIPMENT MANUFACTURER DRAWING,ETC.; EXCLUDES ANY SPECIFICATION,STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWI |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| CMLP | THREAD QUANTITY PER INCH | 20 1ST END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 1280.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | PLASTIC POLYAMIDE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| Components Related to NSN - 4820-00-793-5837, 4820007935837 | ||||
| 4820-01-168-7617 (4820011687617) | 4820-00-036-1739 (4820000361739) | 4820-01-148-9383 (4820011489383) | 4820-01-416-7529 (4820014167529) | |
| 4810-01-036-3133 (4810010363133) | 4820-01-365-7068 (4820013657068) | 4820-00-475-4247 (4820004754247) | 4820-01-192-5887 (4820011925887) | |
| 4820-01-546-7933 (4820015467933) | 4820-00-366-2438 (4820003662438) | 4820-01-066-6185 (4820010666185) | 4810-00-670-3476 (4810006703476) | |
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