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 |
|---|---|
| 82913 | SAFEGUARD ENGINE PARTS INC SUB OF SA |
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 | 0.030 INCHES NOMINAL |
| BQSK | BB END CHAMFER LENGTH | 0.030 INCHES NOMINAL |
| BQSM | AA END CHAMFER LENGTH | 0.030 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SHOULDERED-GROOVED SHANK |
| BQSJ | BB END SHANK DIAMETER | 0.688 INCHES MINIMUM AND 0.689 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 2.872 INCHES NOMINAL |
| BQSN | AA END CHAMFER ANGLE IN DEG | 45.0 |
| MATL | MATERIAL | IRON |
| BQSL | BB END CHAMFER ANGLE IN DEG | 45.0 |
| BQSR | SHOULDER FIRST FILLET RADIUS | 0.020 INCHES NOMINAL |
| BQSF | BORE COUNTERBORE | NOT INCLUDED |
| BQSH | AA END DIAMETER | 0.625 INCHES NOMINAL |
| AETC | METALLIC HARDNESS RATING | 83.0 MINIMUM ROCKWELL B AND 96.0 MAXIMUM ROCKWELL B |
| ABXV | BORE DIAMETER | 0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM |
| BRQM | LENGTH FROM AA END TO LARGEST DIAMETER FACE | 1.106 INCHES NOMINAL |
| BQDC | BORE COUNTERSINK | NOT INCLUDED |
| ABKV | OUTSIDE DIAMETER | 0.760 INCHES NOMINAL |
| BQST | SHOULDER SECOND FILLET RADIUS | 0.060 INCHES NOMINAL |
| AXHQ | GROOVE QUANTITY | 1 |
| AGQK | MAJOR DIAMETER LENGTH | 0.100 INCHES NOMINAL |