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 |
|---|---|
| 20912 | ERTEL ENGINEERING CO |
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 |
|---|---|---|
| BQSK | BB END CHAMFER LENGTH | 0.031 INCHES NOMINAL |
| BQSK | BB END CHAMFER LENGTH | 0.031 INCHES NOMINAL |
| BQSM | AA END CHAMFER LENGTH | 0.109 INCHES NOMINAL |
| AGQK | MAJOR DIAMETER LENGTH | 1.906 INCHES NOMINAL |
| MATL | MATERIAL | IRON, CAST |
| BQSN | AA END CHAMFER ANGLE IN DEG | 45.0 |
| ABHP | OVERALL LENGTH | 3.312 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.751 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| BQSL | BB END CHAMFER ANGLE IN DEG | 45.0 |
| ABXV | BORE DIAMETER | 0.4057 INCHES MINIMUM AND 0.4062 INCHES MAXIMUM |
| ABND | TAPER LENGTH | 0.812 INCHES NOMINAL |
| BQSF | BORE COUNTERBORE | NOT INCLUDED |
| BQDC | BORE COUNTERSINK | NOT INCLUDED |