National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
VALVE , RELIEF , PRESSURE AND TEMPER
Definition:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| M374A-3/4M55PSI | 19857 | A | 3 | 2 | 5 | AX |
CAGE Information
| Code | Company |
|---|---|
| 19857 | ELECTRIC HEATER COMPANY THE DBA HUBB |
Federal Supply Class
Title
VALVES, NONPOWERED
Inclusions:
INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.
Exclusions:
EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ADSY | VALVE DISCHARGE FLOW RATE | NOT RATED |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| AAQL | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ACKL | MEDIA FOR WHICH DESIGNED | STEAM |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ABJH | TEMP RATING | 210.0 DEG FAHRENHEIT |
| AAFZ | BODY MATERIAL | BRONZE |
| AFKX | TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSV | OPENING PRESSURE SETTING | 55.0 POUNDS PER SQUARE INCH |
| ACMN | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE |