| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-449-1153 (004491153) |
| NCB Code | USA (00) |
| Manufacturer | Cosmodyne Llc, National Instruments Corporation, Trw Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING,PACKAGING,AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Components Related to NSN - 4820-00-449-1153, 4820004491153 | ||||
| 4810-01-567-7671 (4810015677671) | 4820-00-811-2684 (4820008112684) | 4820-12-350-7803 (4820123507803) | 4810-01-606-1449 (4810016061449) | |
| 4820-01-235-1424 (4820012351424) | 4820-01-282-2547 (4820012822547) | 4820-00-936-3987 (4820009363987) | 4820-99-471-4151 (4820994714151) | |
| 4820-01-189-0797 (4820011890797) | 4820-01-123-0285 (4820011230285) | 4820-01-501-6459 (4820015016459) | 4810-00-719-6365 (4810007196365) | |
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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