NSN 2815-00-678-3203

Part Details | VALVE STEM GUIDE

2815-00-678-3203 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.

Alternate Parts: 28156783203, 2815006783203, 8725003, 8725003, 8725003, 2815-00-678-3203, 00-678-3203, 2815006783203, 006783203

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-678-320332562 ( GUIDE, VALVE STEM )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 2815-00-678-3203
Part Number Cage Code Manufacturer
28156783203SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
2815006783203SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
872500302978L3 TECHNOLOGIES, INC.DBA COMBAT PROPULSION SYSTEMS
8725003R1120SATAIR A/S
872500319207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 2815-00-678-3203
Characteristic Specifications
METALLIC HARDNESS RATING85.0 MINIMUM ROCKWELL B
STYLE DESIGNATOR2 PLAIN
SHOULDER DIAMETER0.778 INCHES MINIMUM AND 0.784 INCHES MAXIMUM
SHOULDER LENGTH0.160 INCHES NOMINAL
OVERALL LENGTH3.440 INCHES NOMINAL
OUTSIDE DIAMETER1.125 INCHES NOMINAL
MAJOR DIAMETER LENGTH0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
AA END DIAMETER0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
BB END SHANK DIAMETER0.689 INCHES NOMINAL
BB END CHAMFER LENGTH0.031 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG45.0
AA END CHAMFER LENGTH0.031 INCHES NOMINAL
AA END CHAMFER ANGLE IN DEG45.0
SHOULDER FIRST FILLET RADIUS0.031 INCHES NOMINAL
SHOULDER SECOND FILLET RADIUS0.062 INCHES NOMINAL
FILLET STEP RADIUS0.031 INCHES NOMINAL
LENGTH FROM AA END TO LARGEST DIAMETER FACE1.302 INCHES MINIMUM AND 1.308 INCHES MAXIMUM
BORE DIAMETER0.4830 INCHES MINIMUM AND 0.4850 INCHES MAXIMUM
BORE COUNTERSINK INCLUDED
COUNTERSINK LOCATION AA END AND BB END
COUNTERSINK ANGLE IN DEG90.0
COUNTERSINK DIAMETER0.562 INCHES NOMINAL
BORE COUNTERBORE NOT INCLUDED
SPECIAL FEATURESAA END SPIRAL GROOVE PITCH-30 PER IN.,DEPTH 3.190 IN.DEPTH,BB END 5 DEG TAPER 0.120 TO 0.190 IN.LG