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 |
|---|---|---|
| SUPP | SUPPLEMENTARY FEATURES | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 34889, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| ADSR | BONNET TYPE | INSIDE SCREW |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AEHZ | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ERR-100 |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS, INERT 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| ADSU | DISK LOADING METHOD | SPRING |
| TMQY | FURNISHED ITEMS AND QUANTITY | 2 NUT AND 2 TAILPIECE |
| CQGM | MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | STEEL STEM |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |