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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
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 |
|---|---|---|
| AKGF | NOMINAL WIDTH | 2.375 INCHES 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CWDL | RAISED FACE NOMINAL DIAMETER | 0.837 INCHES 1ST END |
| ARKN | FLANGE SHAPE | RECTANGULAR WITH HOLES 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.562 INCHES 1ST END |
| AKGG | NOMINAL LENGTH | 2.375 INCHES 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| MATT | MATERIAL | ALUMINUM ALLOY SEAT |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE AND RUBBER FLOW CONTROL DEVICE |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 1.812 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| CWDC | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 1.812 INCHES 1ST END |
| FEAT | SPECIAL FEATURES | FLANGE PLATE HAS 4.000 IN. TUBE EXTENSION W/TUBE W/UNF 0.437-20 RH INTERNAL BOSS END FITTING |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| CWCK | NOMINAL THICKNESS | 0.105 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.260 INCHES 1ST END |