Model: 57298

Engine Poppet Valve Tappet

Properties:

Casehardening Indicator
Not casehardened
Concentric Hole Depth
1.812 inches
Concentric Hole Diameter
0.375 inches
Overall Length
Between 2.700 inches and 2.710 inches
Body Outside Diameter
Between 0.623 inches and 0.624 inches
Body Groove Width
Any acceptable
Spherical Radius
30.000 inches
Flats Length
0.219 inches
Size Designation
Standard
Material And Location
Steel
Adjustability
Adjustable
Operation Method
Mechanical
Width Across Flats
0.594 inches
Metallic Hardness Rating And Location
58.0 rockwell c cam end
Adjusting Device
Included
Cam End Diameter
Between 1.365 inches and 1.375 inches
Crown Height
Any acceptable
Cam End Height
Between 0.115 inches and 0.125 inches
Body Groove Diameter
Any acceptable
Distance From Body Groove Center To Cam End
Any acceptable
Style Designator
Internal thread and wrenching flats push rod end
Fsc Application Data
Gasoline engine, nonaircraft
NSN
2805-00-391-3032
Part Number
57298
Description
Tappet,engine Poppet Valve
CAGE
30076

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.

Part 57298 NSN 2805-00-391-3032

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22199
FIIG:
T267-F
Concept No.:
App. Key:
FA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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