Model: 291-0020-50

Engine Poppet Valve Rotor

Properties:

Overall Height
Between 0.430 inches and 0.470 inches
First Step Diameter
0.756 inches
First Step Length
0.062 inches
Second Step Diameter
1.070 inches
Second Step Length
0.248 inches
Bore Diameter
0.456 inches
Rotation Direction
Counterclockwise
Starting Load Range
+17.0/+35.0 pounds
Tapered Bore Included Angle In Deg
15 deg, 30 min
Style Designator
Positive type-tapered bore
NSN
2805-00-871-2745
Part Number
291-0020-50
Description
Rotor,engine Poppet Valve
CAGE
10391

A spring loaded metallic device which is specifically designed to rotate the poppet valves of an internal combustion engine to prevent uneven wear and/or distortion of the valve seating surface. See also seat, helical compression spring.

Part 291-0020-50 NSN 2805-00-871-2745

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22200
FIIG:
T267-J
Concept No.:
App. Key:
JA
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

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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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