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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| AFLG | ABSOLUTE PRESSURE SETTING | 0.5 |
| ACLS | SECOND END CONNECTION TYPE | PLAIN FACE FLANGE |
| FEAT | SPECIAL FEATURES | OPERATING PRESSURE: 0-100 PSI; OPERATING TEMP: -40 TO 105 DEG CELCIUS |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ACMD | SECOND END WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL |
| AAFZ | BODY MATERIAL | STEEL CRES ASTM A582 TY 303 |
| ACLY | SECOND END FLANGE SHAPE STYLE | HEXAGON |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| AAQL | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |