Part Number
Part Number:
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.
CAGE Information
| Code | Company |
|---|---|
| 03950 | NAVAL INVENTORY CONTROL POINT MECHAN |
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 |
|---|---|---|
| AAQL | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ADSW | ADJUSTABLE PRESSURE RANGE | +45.0/+55.0 POUNDS PER SQUARE INCH |
| AGAV | END ITEM IDENTIFICATION | VALVE RELIEF .75IPS |
| ADQN | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.562 INCHES NOMINAL |
| ADQM | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.562 INCHES NOMINAL |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANED IN ACCORDANCE WITH MIL-I-52211 |
| AAFZ | BODY MATERIAL | BRONZE |
| ACSH | SEAT MATERIAL | NICKEL COPPER ALLOY |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ACKL | MEDIA FOR WHICH DESIGNED | OXYGEN |
| ABEP | STEM MATERIAL | NICKEL COPPER ALLOY |
| ADSY | VALVE DISCHARGE FLOW RATE | 65.0 CUBIC FEET PER MINUTE |
| ABJH | TEMP RATING | 180.0 DEG FAHRENHEIT |