| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-029-2787 (010292787) |
| NCB Code | USA (01) |
| Manufacturer | Tescom Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | NICKEL-COPPER ALLOY, QQ-N-281, CLASS A |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | BRASS |
| ACKL | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | INVERTED FLARE |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES NOMINAL |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1 3/4-12 UN |
| ACLK | FIRST END THREAD CLASS | 1A |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | UNTHREADED EXTERNAL PIPE |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ACMN | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| ACSH | SEAT MATERIAL | RUBBER |
| ACTE | FIRST END SEAT ANGLE IN DEG | 40.0 |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVN | REGULATION TYPE | MANUAL SINGLE STAGE |
| AEVP | MANUAL CONTROL METHOD | SCREW |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVS | REMOTE ACTUATION METHOD | DIAPHRAGM |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 3000.0 POUNDS PER SQUARE INCH |
| AEWA | OUTLET PRESSURE SETTING | 35.0 POUNDS PER SQUARE INCH |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE,CLEANED IN ACCORDANCE WITH MIL-P-52211/CE/ |
| Relevant Components for NSN - 4820-01-029-2787, 4820010292787 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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