| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-479-8800 (014798800) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc, Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADSU | Disk Loading Method | SPRING |
| FEAT | Special Features | OPERATING PRESSURE TO 3000 PSIG; PROOF PRESSURE 2 1/2 TO 4 TIMES OPERATION PRESSURE; TEMPERATURE AND CRACKING PRESSURE RANGE -40 TO +250 DEG FEH, 2-4 PSIG |
| ADQU | Flow Control Device | POPPET |
| STYL | Style Designator | STRAIGHT THRU |
| BBJX | Mounting Position | HORIZONTAL |
| AAJF | Thread Direction | RIGHT-HAND ALL ENDS |
| AEHZ | Maximum Operating Temp | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | Valve Operation Method | AUTOMATIC |
| CWFD | Nominal Outside Diameter Tube Accommodated | 0.438 INCHES ALL ENDS |
| MEDA | Media For Which Designed | AIR SINGLE RESPONSE |
| AWLS | Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| CQJX | Nominal Thread Size | 0.250 INCHES ALL ENDS |
| CSDC | Opening Pressure Setting | 2.0 POUNDS PER SQUARE INCH |
| AAJD | Thread Class | 3B ALL ENDS |
| CQGM | Maximum Operating Pressure | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | Material | ALUMINUM ALLOY 2024 BODY |
| THSD | Thread Series Designator | UNJF ALL ENDS |
| MRC | Decoded Requirement | Clear Text Reply |
| AHNC | Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Components Related to NSN - 4820-01-479-8800, 4820014798800 | ||||
| 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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