Part Number
Part Number:
NSN:
NIIN:
Item Name:
VALVE , VACUUM BREAKING
Definition:
AN ITEM DESIGNED TO AUTOMATICALLY RELIEVE VACUUM, BY THE INTAKE OF AIR, WHEN THE INTERNAL PRESSURE FALLS BELOW ATMOSPHERIC PRESSURE. SEE ALSO VALVE, VACUUM REGULATING.
CAGE Information
| Code | Company |
|---|---|
| 89619 | MACK TRUCKS INC. DBA MACUNGIE OPERAT |
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 |
|---|---|---|
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| ADQZ | END CONNECTION QUANTITY | 1 |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | DISK, FLAT |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.438-24 UNS |
| ACKN | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS |
| ABJH | TEMP RATING | NOT RATED |
| ACLK | FIRST END THREAD CLASS | 2A |
| AAQL | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
| AAFZ | BODY MATERIAL | BRASS |