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 |
|---|---|---|
| BPNY | COUNTERSINK LENGTH | 0.047 INCHES NOMINAL |
| BPNY | COUNTERSINK LENGTH | 0.047 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.3125 INCHES NOMINAL |
| AAWY | COUNTERBORE DIAMETER | 0.344 INCHES NOMINAL |
| MATL | MATERIAL | BRASS |
| BQSN | AA END CHAMFER ANGLE IN DEG | 60.0 |
| STYL | STYLE DESIGNATOR | PLAIN |
| AYRZ | COUNTERSINK DIAMETER | 0.500 INCHES NOMINAL |
| BQSF | BORE COUNTERBORE | INCLUDED |
| BQSM | AA END CHAMFER LENGTH | 0.047 INCHES NOMINAL |
| AAWZ | COUNTERBORE DEPTH | 0.375 INCHES NOMINAL |
| BQDC | BORE COUNTERSINK | INCLUDED |
| BDYS | COUNTERBORE LOCATION | BB END |
| ABKV | OUTSIDE DIAMETER | 0.688 INCHES NOMINAL |
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| BQDD | COUNTERSINK LOCATION | BB END |
| ABHP | OVERALL LENGTH | 3.250 INCHES NOMINAL |