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 |
|---|---|
| 34889 | HUNT VALVE COMPANY INC DBA UNION FLO |
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 |
|---|---|---|
| CSDC | OPENING PRESSURE SETTING | 140.0 POUNDS PER SQUARE INCH |
| ADSR | BONNET TYPE | INSIDE SCREW |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CCFG | VALVE SIZE | 2.500 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| AEHZ | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES |
| CWDF | FLANGE FACE DESIGN | PLAIN ALL ENDS |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-271 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| CWCK | NOMINAL THICKNESS | 0.937 INCHES ALL ENDS |
| MATT | MATERIAL | COPPER ALLOY BODY |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AECS | BOLT HOLE QUANTITY | 6 ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.687 INCHES ALL ENDS |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS |
| ADSU | DISK LOADING METHOD | WEIGHT |
| MATT | MATERIAL | NICKEL ALLOY STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |