Part Number
Part Number:
NSN:
NIIN:
Item Name:
TAPPET , ENGINE POPPET VALVE
Definition:
A CYLINDRICALLY SHAPED METAL ITEM DESIGNED TO TRANSMIT INTERMITTENT MOTION FROM THE CAM LOBE ON A SHAFT OR CAM RING, TO THE ENGINE POPPET VALVE. IT MAY BE MECHANICALLY OR HYDRAULICALLY OPERATING, AND MAY INCLUDE ADJUSTING DEVICES.
CAGE Information
| Code | Company |
|---|---|
| 1ML14 | D.W. HERCULES LLC DBA HERCULES ENGIN |
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 |
|---|---|---|
| APCS | ADJUSTABILITY | ADJUSTABLE |
| APCS | ADJUSTABILITY | ADJUSTABLE |
| APHE | OPERATION METHOD | MECHANICAL |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| ALAD | FLATS LENGTH | 0.491 INCHES NOMINAL |
| AJYR | SCREW THREAD LENGTH | 0.812 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWX | CONCENTRIC HOLE DEPTH | 1.288 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.647 INCHES NOMINAL |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNF |
| STYL | STYLE DESIGNATOR | INTERNAL THREAD AND WRENCHING FLATS PUSH ROD END |
| ASDB | WIDTH ACROSS FLATS | 0.370 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | W/0.031 IN.RADIUS RELIEF GROOVE UNDER HEAD |
| BRNM | CAM END DIAMETER | 0.942 INCHES NOMINAL |
| BQSG | ADJUSTING DEVICE | INCLUDED |
| ADAR | BODY OUTSIDE DIAMETER | 0.499 INCHES NOMINAL |
| BRNQ | CAM END HEIGHT | 0.094 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 5/16-24 |
| ALJP | SIZE DESIGNATION | STANDARD |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.312 INCHES NOMINAL |