Part Number
Definition:
A REPLACEABLE CYLINDRICAL ITEM DESIGNED TO PROVIDE WEAR SURFACE AND MAINTAIN ALIGNMENT OF A RECIPROCATING VALVE STEM AND THE LIKE, IT MAY HAVE A FLANGE(S) AND/OR GROOVES.
CAGE Information
| Code | Company |
|---|---|
| 00198 | PRATT AND WHITNEY CANADA INC WHITNEY |
Federal Supply Class
Title
GASOLINE RECIPROCATING ENGINES,
Inclusions:
INCLUDES COMPLETE ENGINE ASSEMBLIES; PISTON RINGS; CYLINDERS; PISTONS; CAMSHAFTS; CRANKSHAFTS.
Exclusions:
EXCLUDES FUEL SYSTEM COMPONENTS (CARBURETORS; CARBURETOR FLOATS; FUEL PUMPS; FUEL CONTROLS; FUEL VALVES) (FSC 2915); ELECTRICAL SYSTEM COMPONENTS (SPARK PLUG ADAPTERS; IGNITION DISTRIBUTORS; IGNITION COILS, ELECTRICAL STARTERS) (FSC 2925); ENGINE COOLING SYSTEM COMPONENTS (ENGINE OIL COOLERS; COOLING RADIATORS) (FSC 2935); ENGINE AIR/OIL CLEANERS/FILTERS/STRAINERS (FSC 2945); MISCELLANEOUS ENGINE ACCESSORIES (PNEUMATIC STARTERS, COWLING MOUNTS, CONTROL ASSEMBLIES) (FSC 2995).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| BQSR | SHOULDER FIRST FILLET RADIUS | 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| BQSR | SHOULDER FIRST FILLET RADIUS | 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| AGQK | MAJOR DIAMETER LENGTH | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL |
| ZZZV | FSC APPLICATION DATA | ENGINE,ACFT,RECIPROCATING |
| BQSN | AA END CHAMFER ANGLE IN DEG | 30.000 |
| ABKV | OUTSIDE DIAMETER | 1.240 INCHES NOMINAL |
| BQSJ | BB END SHANK DIAMETER | 1.006 INCHES MINIMUM AND 1.007 INCHES MAXIMUM |
| AETC | METALLIC HARDNESS RATING | 75.0 MINIMUM ROCKWELL B AND 88.0 MAXIMUM ROCKWELL B |
| FEAT | SPECIAL FEATURES | AA END IS MILLED AT AN ANGLE OF 2 DEG 30 MINUTES PORM 0 DEG 50 MINUTES,SHANK HAS ROCKWELL HARDNESS B SCALE 80 TO 88,O.750 IN. LG FROM BB END |
| BQSF | BORE COUNTERBORE | NOT INCLUDED |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| ABHP | OVERALL LENGTH | 3.008 INCHES MINIMUM AND 3.040 INCHES MAXIMUM |
| BQDC | BORE COUNTERSINK | NOT INCLUDED |
| BQSM | AA END CHAMFER LENGTH | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.6700 INCHES MINIMUM AND 0.6730 INCHES MAXIMUM |