Engine Poppet Valve

40651

40651
(NSN) National Stock Number
2810-00-037-3498
Federal Supply Classification
2810 Aircraft Prime Mover; and Components Gasoline Reciprocating Engines
Item Name Code
15884
Schedule B Code
8409100080
Summary

Flat head style, 0.1820 inches minimum and 0.1920 inches maximum head height, 45.0 chamfer angle in deg, 0.3590 inches minimum and 0.3650 inches maximum groove diameter, 0.0312 inches nominal chamfer length, 0.1560 inches minimum and 0.1660 inches maximum groove width

DAC HCC DMIL RNCC
X - - 3
RNVC SADC MSDS RNAAC
9 - - XX
Identification

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

INC FIIG Concept Condition
15884 A11200 1 2
Specifications
Head Style
flat
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.1820 inches minimum and 0.1920 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Chamfer Angle In Deg
45.0
Details The measurement of the chamfer angle,expressed in degrees.
Groove Diameter
0.3590 inches minimum and 0.3650 inches maximum
Details The length of a straight line which passes through the center of the groove,and terminates at the circumference.
Chamfer Length
0.0312 inches nominal
Details A measurement of the longest dimension of the chamfer,in distinction from width.
Groove Width
0.1560 inches minimum and 0.1660 inches maximum
Details A measurement taken at right angles to the length of a groove,in distinction from thickness.
Outside Diameter
1.8390 inches minimum and 1.8490 inches maximum
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
Seat Angle In Deg
45.0
Details The angle of the end surface upon which the mated surface seats,expressed in degrees.
Stem Style
grooved
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the stem.
Carbon Relief Groove
not included
Details An indication of whether or not a groove for relief of carbon accumulation is included.
Neck Radius
0.3800 inches nominal
Details None.
Stem Length
4.6140 inches minimum and 4.6440 inches maximum
Details A measurement of the longest dimension of a stem,in distinction from width.
Stem Diameter
0.4330 inches minimum and 0.4340 inches maximum
Details None.
Distance From Groove To Stem End
0.3200 inches nominal
Details None.
Material And Location
cobalt alloy seat face
Details The element, compound, or mixture of which the item is fabricated, excludingany surface treatment, and its location. please use mrc matt with isac in place of this discontinued mrc.
Material And Location
steel head
Details The element, compound, or mixture of which the item is fabricated, excludingany surface treatment, and its location. please use mrc matt with isac in place of this discontinued mrc.
Material And Location
steel stem
Details The element, compound, or mixture of which the item is fabricated, excludingany surface treatment, and its location. please use mrc matt with isac in place of this discontinued mrc.
Metallic Hardness Rating And Location
50.0 rockwell c nominal tip
Details A numeric value,used in conjunction with a hardness rating scale,designating the metallic hardness rating and its location.
Fsc Application Data
gasoline engine aircraft
Details The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
63220 - W M
RVC WCC TCC SHC
- 593 Z 9

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Manufacturer
TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV
CAGE: 28839
MOBILE , AL , 36605-0819
UNITED STATES
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FAQs
Frequently asked questions for NSN 2810-00-037-3498
What is the NIIN of the NSN 2810-00-037-3498?
The National Item Identification Number (NIIN) of the NSN 2810-00-037-3498 is 00-037-3498
When the NSN 2810-00-037-3498 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 2810-00-037-3498 contain any precious metals?
Type/content is unknown
Does the NSN 2810-00-037-3498 contain any hazardous material?
No data in HMIRS

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