Part Number
Part Number:
NSN:
NIIN:
Item Name:
GUIDE , VALVE STEM
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 |
|---|---|
| 50309 | JOHN REINER & CO. INC. |
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 |
|---|---|---|
| AETC | METALLIC HARDNESS RATING | NOT RATED |
| MATL | MATERIAL | IRON, CAST |
| BQSR | SHOULDER FIRST FILLET RADIUS | 0.062 INCHES NOMINAL |
| BQSN | AA END CHAMFER ANGLE IN DEG | 45.0 |
| ABXV | BORE DIAMETER | 0.4950 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM |
| AGQK | MAJOR DIAMETER LENGTH | 2.047 INCHES NOMINAL |
| BQSH | AA END DIAMETER | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| BQSJ | BB END SHANK DIAMETER | ANY ACCEPTABLE |
| BQSL | BB END CHAMFER ANGLE IN DEG | 60.0 |
| BQSK | BB END CHAMFER LENGTH | 0.062 INCHES NOMINAL |
| BQSF | BORE COUNTERBORE | NOT INCLUDED |
| BQSM | AA END CHAMFER LENGTH | 0.062 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.188 INCHES NOMINAL |
| BQDC | BORE COUNTERSINK | NOT INCLUDED |
| ABKV | OUTSIDE DIAMETER | 0.876 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | PLAIN, SHOULDERED |