| Item Name | Valve Regulating Temperature |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-513-3257 (015133257) |
| NCB Code | USA (01) |
| Manufacturer | Trac Regulators Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 40051-4 | trac regulators inc | valve regulating temperature | 55378 | RFQ |
| 40051-4 ASSEMBLY 40051-404 | trac regulators inc | valve regulating temperature | 55378 | RFQ |
| 40051-404 | trac regulators inc | valve regulating temperature | 55378 | RFQ |
| MIL-DTL-19772 | military specifications | valve regulating temperature | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | COPPER ALLOY, QQ-C-525, COMP 1 |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | STEEL, QQ-S-763 |
| ABFF | FURNISHED ITEMS | UNION NUT AND TAILPIECE W/GROOVES |
| ACKL | MEDIA FOR WHICH DESIGNED | WATER |
| ACKM | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | SOCKET W/BRAZING RING |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES NOMINAL |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ACSH | SEAT MATERIAL | COPPER ALLOY, QQ-C-525, COMP 1 |
| ADQL | FACE TO FACE DISTANCE | 6.125 INCHES NOMINAL |
| ADQT | PACKING MATERIAL | PLASTIC, POLYTETRAFLUOROETHYLENE |
| ADQU | FLOW CONTROL DEVICE | PLUNGER WITH 2 DISCS |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AEVM | TWO-WAY VALVE ACTION | REVERSE ACTING |
| AEVX | TEMP ADJUSTABILITY | ADJUSTABLE |
| AEWJ | THERMOSTATIC ELEMENT | LIQUID IMMERSION TYPE |
| AZKQ | TEMP RATING | 60.0 DEG FAHRENHEIT MINIMUM AND 160.0 DEG FAHRENHEIT MAXIMUM |
| BZRS | END CONNECTION SPEC/STD | MIL-F-1183 GROOVED FOR BRAZING RING |
| CCFG | VALVE SIZE | 0.750 INCHES |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 3/4 TRAC STYLE A FAIRSAFE DOUBLE SEAT REVERSE ACTING THERMOSTATIC TEMPERATURE REGULATOR VALVE ASSEMBLY |
| FEAT | SPECIAL FEATURES | USES ALT. REGULATOR ASSEMBLY, P/N 50146-07 6680-01-272-1850 |
| TEST | TEST DATA DOCUMENT | 81349-MIL-S-901C SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTIN |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349MIL-DTL-19772 GOVERNMENT SPECIFICATION |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | PE II, CLASS 2 SERIES 250 TYPE |
| Relevant Components for NSN - 4820-01-513-3257, 4820015133257 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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