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 |
|---|---|
| 21921 | RCA CORP DISTRIBUTOR AND SPECIAL PRO |
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 |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| SFTT | SURFACE TREATMENT | OXIDE |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| CQCY | ADJUSTABLE PRESSURE RANGE | +10.0/+12.0 POUNDS PER SQUARE INCH |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |