AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-124-1995 (001241995) |
| NCB Code | USA (00) |
| Manufacturer | Kunkle Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AECS | BOLT HOLE QUANTITY | 6 ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 650.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | 5.0 TO 10.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 5.062 INCHES ALL ENDS |
| CWCK | NOMINAL THICKNESS | 0.469 INCHES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.938 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL COMP 303 SEAT |
| MATT | MATERIAL | STEEL COMP 410 STEM |
| MATT | MATERIAL | STEEL FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-15083,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-867,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE303C-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER,FRESH 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY ADJUSTABLE PRESSURE RANGE |
| Relevant Components for NSN - 4820-00-124-1995, 4820001241995 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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