Part Number
Part Number:
NSN:
NIIN:
Item Name:
ROTOR , ENGINE POPPET VALVE
Definition:
A SPRING LOADED METALLIC DEVICE WHICH IS SPECIFICALLY DESIGNED TO ROTATE THE POPPET VALVES OF AN INTERNAL COMBUSTION ENGINE TO PREVENT UNEVEN WEAR AND/OR DISTORTION OF THE VALVE SEATING SURFACE. SEE ALSO SEAT, HELICAL COMPRESSION SPRING.
CAGE Information
| Code | Company |
|---|---|
| 02978 | L-3 COMMUNICATIONS CORPORATION DBA C |
Federal Supply Class
Title
GASOLINE RECIPROCATING ENGINES,
Inclusions:
INCLUDES GAS RECIPROCATING ENGINES; ALL GASOLINE RECIPROCATING ENGINES EXCEPT AIRCRAFT PRIME MOVING.
Exclusions:
EXCLUDES ENGINE ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABPS | FIRST STEP LENGTH | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| ABPW | THIRD STEP LENGTH | 0.348 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.810 INCHES MINIMUM AND 0.815 INCHES MAXIMUM |
| ABPU | SECOND STEP LENGTH | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| BQTW | MINIMUM ROTATION IN DEG | ANY ACCEPTABLE |
| AMWW | ROTATION DIRECTION | COUNTERCLOCKWISE |
| STYL | STYLE DESIGNATOR | POSITIVE TYPE-STRAIGHT BORE |
| ABPT | SECOND STEP DIAMETER | 1.725 INCHES MINIMUM AND 1.730 INCHES MAXIMUM |
| BQTX | STARTING LOAD RANGE | +150.0/+255.0 POUNDS |
| ZZZV | FSC APPLICATION DATA | GASOLINE ENGINE,NONAIRCRAFT |
| BQTZ | SPRING AND BALL RETAINER INSIDE DIAMETER | 0.787 INCHES MINIMUM AND 0.792 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.778 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| ABPV | THIRD STEP DIAMETER | 2.427 INCHES MINIMUM AND 2.447 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 1.370 INCHES MINIMUM AND 1.375 INCHES MAXIMUM |