| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-004-8334 (010048334) |
| NCB Code | USA (01) |
| Manufacturer | Parker Hannifin Corporation, Teledyne Industries Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 649XB-4-8-2 | parker hannifin corporation | valve safety relief | 09990 | RFQ |
| 649XB4-8-2 | teledyne industries inc | valve safety relief | 86768 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS" |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS" |
| ADQU | FLOW CONTROL DEVICE | POPPET" |
| ADSR | BONNET TYPE | INSIDE SPRING" |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AEHZ | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE" |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS" |
| CQGM | MAXIMUM OPERATING PRESSURE | 3100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE" |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS" |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS" |
| CSDC | OPENING PRESSURE SETTING | 200.0 POUNDS PER SQUARE INCH" |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES ALL ENDS" |
| MATT | MATERIAL | STEEL COMP 303 BODY" |
| MATT | MATERIAL | STEEL COMP 303 SEAT" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE BODY" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE SEAT" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 1ST RESPONSE" |
| SFTT | SURFACE TREATMENT | PASSIVATE" |
| STYL | STYLE DESIGNATOR | ANGLE" |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS" |
| AAJD | THREAD CLASS | 3A ALL ENDS" |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS" |
| ADQU | FLOW CONTROL DEVICE | POPPET" |
| ADSR | BONNET TYPE | INSIDE SPRING" |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL" |
| ADSU | DISK LOADING METHOD | SPRING" |
| AEHZ | MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE" |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS" |
| CQGM | MAXIMUM OPERATING PRESSURE | 3100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE" |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS" |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS" |
| CSDC | OPENING PRESSURE SETTING | 200.0 POUNDS PER SQUARE INCH" |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES ALL ENDS" |
| MATT | MATERIAL | STEEL COMP 303 BODY" |
| MATT | MATERIAL | STEEL COMP 303 SEAT" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE BODY" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE SEAT" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 1ST RESPONSE" |
| SFTT | SURFACE TREATMENT | PASSIVATE" |
| STYL | STYLE DESIGNATOR | ANGLE" |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS" |
| Components Related to NSN - 4820-01-004-8334, 4820010048334 | ||||
| 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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