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 |
---|---|
77646 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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 |
---|---|---|
AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
THSD | THREAD SERIES DESIGNATOR | UNC ALL ENDS |
ADSR | BONNET TYPE | PACKING RETAINING |
CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
AQLR | VALVE OPERATION METHOD | AUTOMATIC |
MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
AAJD | THREAD CLASS | 2A ALL ENDS |
SFTT | SURFACE TREATMENT | ANODIZE |
STYL | STYLE DESIGNATOR | ERR-090 |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
ADQU | FLOW CONTROL DEVICE | POPPET |
ADSU | DISK LOADING METHOD | SPRING |
AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
CSDC | OPENING PRESSURE SETTING | 5.0 POUNDS PER SQUARE INCH |
CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |