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Worldwide distributor of NSN parts and consumables located in the USA.

Engine Poppet Valve Tappet

Model / MPN: 646847 | NSN: 2805-00-148-7445
ITAR Registered seal

A cylindrically shaped metal item designed to transmit intermittent motion from the cam lobe on a shaft or cam ring, to the engine poppet valve. It may be mechanically or hydraulically operating, and may include adjusting devices.

Product Details
NATO Stock Number
2805-00-148-7445
Sold in multiples of
1 EA
DEMIL
NO
Casehardening Indicator
Casehardened
Concentric Hole Depth
3.438 inches
Counterbore Diameter
0.594 inches
Counterbore Depth
2.030 inches
Concentric Hole Diameter
0.480 inches
Overall Length
3.812 inches
Body Outside Diameter
0.719 inches
Body Groove Width
0.343 inches
Size Designation
Standard
Casehardened Location
Material And Location
Steel
Adjustability
Nonadjustable
Operation Method
Hydraulic
Cam End Diameter
1.245 inches
Cam End Height
0.188 inches
Cup Spherical Radius
0.250 inches
Cup Spherical Diameter
0.500 inches
Cup Depth
0.438 inches
Body Groove Diameter
0.700 inches
Distance From Body Groove Center To Cam End
1.562 inches
Cup End Groove Diameter
0.700 inches
Cup End Groove Width
0.280 inches
Distance From Cup End Groove Center To Cup End
0.938 inches
Style Designator
Two piece, cupped push rod end
64684 Series Parts

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646847 Cross Reference
  • 637270