| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-591-5331 (005915331) |
| NCB Code | USA (00) |
| Manufacturer | Ellis And Watts International Llc, Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 10.0 GALLONS PER MINUTE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CSDC | OPENING PRESSURE SETTING | 120.0 POUNDS PER SQUARE INCH |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE,PRESSURE RELIEF MODIFIED |
| FEAT | SPECIAL FEATURES | WITH SCREEN,COPPER 22 BY 22 MESH,0.015 IN. DIA WIRE,SOLDERED ON MALE END |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| SUPP | SUPPLEMENTARY FEATURES | SOLDER WITH ITEM USING MINIMUM AMOUNT OF HEAT POSSIBLE; WRAP BODY OF VALVE WITH WET CLOTH BEFORE APPLYING HEAT |
| Components Related to NSN - 4820-00-591-5331, 4820005915331 | ||||
| 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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