Part Number
Part Number:
NSN:
NIIN:
Item Name:
SEAT , VALVE
Definition:
A REPLACEABLE ITEM DESIGNED TO PROVIDE A STATIONARY SEATING SURFACE FOR A MATING, MOVEABLE ITEM SUCH AS A VALVE DISK OR THE LIKE. THE BODY MAY HAVE A FLANGE OF VARIOUS SHAPES. FOR DIESEL AND GASOLINE RECIPROCATING ENGINES, SEE INSERT, ENGINE VALVE SEAT.
CAGE Information
| Code | Company |
|---|---|
| 81982 | HYDRO-AIRE 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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CQKW | BODY STEPPED INSIDE DIAMETER | 3.053 INCHES MINIMUM SECOND STEP AND 3.063 INCHES MAXIMUM SECOND STEP |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.690 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.795 INCHES NOMINAL SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQJX | NOMINAL THREAD SIZE | 3.516 INCHES SINGLE THREADED PORTION |
| CQFM | HARDNESS RATING | NOT RATED |
| CQKW | BODY STEPPED INSIDE DIAMETER | 2.620 INCHES MINIMUM FIRST STEP AND 2.630 INCHES MAXIMUM FIRST STEP |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| AJSG | SEAT ANGLE IN DEG | 30.000 NOMINAL |
| AAJD | THREAD CLASS | 3A SINGLE THREADED PORTION |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| CMLP | THREAD QUANTITY PER INCH | 11-1/2 SINGLE THREADED PORTION |
| AJRM | UNDER FLANGE HEIGHT | 0.810 INCHES NOMINAL |
| ABKK | FLANGE DIAMETER | 3.500 INCHES NOMINAL |