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 |
|---|---|
| 98021 | HALKEY-ROBERTS 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 |
|---|---|---|
| ADSR | BONNET TYPE | INSIDE SCREW |
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AGAV | END ITEM IDENTIFICATION | 6685-01-356-6542 |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY 2011 SEAT |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CSDC | OPENING PRESSURE SETTING | 3.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY 2011 BODY |
| MATT | MATERIAL | ALUMINUM ALLOY 2011 FLOW CONTROL DEVICE AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| FEAT | SPECIAL FEATURES | ANODIZE MIL-A-8625, TYPE II BLACK |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 300.0 DEG FAHRENHEIT SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ERR-090 |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| CQJX | NOMINAL THREAD SIZE | 0.563 INCHES ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |