| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-855-4143 (008554143) |
| NCB Code | USA (00) |
| Manufacturer | Ashcroft Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| ADQU | FLOW CONTROL DEVICE | CONE |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| CMLP | THREAD QUANTITY PER INCH | 14 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 14 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 15.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| Components Related to NSN - 4820-00-855-4143, 4820008554143 | ||||
| 4820-00-287-3034 (4820002873034) | 4820-01-271-7886 (4820012717886) | 4820-01-714-5468 (4820017145468) | 4810-00-936-0709 (4810009360709) | |
| 4820-01-190-3734 (4820011903734) | 4820-01-482-1507 (4820014821507) | 4820-00-145-2608 (4820001452608) | 4820-01-438-4316 (4820014384316) | |
| 4820-00-035-7597 (4820000357597) | 4820-00-417-3438 (4820004173438) | 4820-01-027-8834 (4820010278834) | 4820-01-301-8497 (4820013018497) | |
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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