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 |
|---|---|
| 03990 | INGERSOLL-RAND CO |
Federal Supply Class
Title
VALVES, POWERED
Inclusions:
INCLUDES ELECTRIC MOTOR OPERATED VALVES; HYDRAULIC OPERATED VALVES; SOLENOID OPERATED VALVES.
Exclusions:
EXCLUDES ENGINE INTAKE AND EXHAUST VALVES (FSC 2990, 2815); 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 |
|---|---|---|
| ADAS | BODY INSIDE DIAMETER | 0.060 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION |
| AJRM | UNDER FLANGE HEIGHT | 0.211 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| CQFM | HARDNESS RATING | NOT RATED |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| AASA | THREAD LENGTH | 0.125 INCHES NOMINAL SINGLE THREADED PORTION |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.049 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 0.275 INCHES MINIMUM AND 0.278 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | FAUCET |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,ALLOY 72 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | NICKEL OVERALL |