Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , SAFETY RELIEF
Definition:
A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
CAGE Information
| Code | Company |
|---|---|
| 83533 | ESSEX INDUSTRIES INC. DIV MANUFACTUR |
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 |
|---|---|---|
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AEHZ | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PETROLEUM BASE 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 2ND RESPONSE |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY OR STEEL COMP 316 BODY |
| AAJD | THREAD CLASS | 2A ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | MOUNTING POSITION - HORIZONTAL OR VERTICAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| CQRB | SEAT ANGLE | 24.0 DEGREES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT OR STEEL COMP 316 SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |