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 |
|---|---|
| 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PL |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATA | COUNTERSINK ANGLE IN DEG | 60.0 |
| AATA | COUNTERSINK ANGLE IN DEG | 60.0 |
| STYL | STYLE DESIGNATOR | PLAIN-SHOULDERED |
| BQSK | BB END CHAMFER LENGTH | 0.030 INCHES NOMINAL |
| AGQK | MAJOR DIAMETER LENGTH | 0.850 INCHES MINIMUM AND 0.950 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.813 INCHES NOMINAL |
| MATL | MATERIAL | COPPER,LYCOMING-SPENCER DIV OF AVCO,LUMEN NO. 48 |
| AETC | METALLIC HARDNESS RATING | 80.0 MINIMUM ROCKWELL F |
| BQSN | AA END CHAMFER ANGLE IN DEG | 45.0 |
| BRQM | LENGTH FROM AA END TO LARGEST DIAMETER FACE | 1.560 INCHES NOMINAL |
| BQSL | BB END CHAMFER ANGLE IN DEG | 45.0 |
| BQSR | SHOULDER FIRST FILLET RADIUS | 0.020 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.3950 INCHES MINIMUM AND 0.3970 INCHES MAXIMUM |
| BQSJ | BB END SHANK DIAMETER | 0.590 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| AYRZ | COUNTERSINK DIAMETER | 0.420 INCHES NOMINAL |
| BQST | SHOULDER SECOND FILLET RADIUS | 0.020 INCHES NOMINAL |
| BQSF | BORE COUNTERBORE | NOT INCLUDED |
| BQDC | BORE COUNTERSINK | INCLUDED |
| ABHP | OVERALL LENGTH | 2.310 INCHES NOMINAL |
| BQSM | AA END CHAMFER LENGTH | 0.020 INCHES NOMINAL |
| BQDD | COUNTERSINK LOCATION | BB END |
| BQSH | AA END DIAMETER | 0.5983 INCHES MINIMUM AND 0.5988 INCHES MAXIMUM |
| ZZZV | FSC APPLICATION DATA | ENGINE,AIRCRAFT RECIPROCATING |