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 |
|---|---|---|
| ACKP | FIRST END RAISED FACE HEIGHT | 0.370 INCHES NOMINAL |
| ACKM | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| AAQL | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ADQU | FLOW CONTROL DEVICE | DISK, TOP GUIDED |
| ACKU | FIRST END FLANGE THICKNESS | 0.690 INCHES NOMINAL |
| ADSW | ADJUSTABLE PRESSURE RANGE | +1201.0/+1500.0 POUNDS PER SQUARE INCH |
| ADSY | VALVE DISCHARGE FLOW RATE | 89.0 GALLONS PER MINUTE |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 |
| ADQM | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.500 INCHES NOMINAL |
| ADQN | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.750 INCHES NOMINAL |
| AAFZ | BODY MATERIAL | STEEL, ASTM A216, GRADE WCB |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ABJH | TEMP RATING | 250.0 DEG FAHRENHEIT |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| AAHF | FIRST END FLANGE OUTSIDE DIAMETER | 4.880 INCHES NOMINAL |
| ACKT | FIRST END FLANGE SHAPE STYLE | ROUND |
| ACKL | MEDIA FOR WHICH DESIGNED | WATER, FRESH |
| ACKN | FIRST END STYLE DESIGNATOR | RAISED |
| ACKQ | FIRST END RAISED FACE DIAMETER | 2.120 INCHES NOMINAL |