Valve Seat

786903-1

786903-1
(NSN) National Stock Number
4810-00-473-9281
Federal Supply Classification
4810 Powered Valves
Item Name Code
22113
Schedule B Code
8481909090
Summary

4.760 inches minimum and 4.790 inches maximum flange diameter, 3.863 inches minimum and 3.869 inches maximum body outside diameter, 3.370 inches minimum and 3.390 inches maximum body inside diameter, 0.550 inches minimum and 0.580 inches maximum flange seat to disk end height, 1.420 inches minimum and 1.440 inches maximum under flange height, acft hydraulic system fsc application data

DAC HCC DMIL RNCC
2 - - 3
RNVC SADC MSDS RNAAC
2 - - MC
Identification

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

INC FIIG Concept Condition
22113 A15500 - 2
Specifications
Flange Diameter
4.760 inches minimum and 4.790 inches maximum
Details The length of a straight line which passes through the center of a flange,and terminates at the circumference.
Body Outside Diameter
3.863 inches minimum and 3.869 inches maximum
Details The length of a straight line which passes through the center of the body,and terminates at the outside circumference.
Body Inside Diameter
3.370 inches minimum and 3.390 inches maximum
Details The length of a straight line which passes through the center of a body,and terminates at the inside circumference.
Flange Seat To Disk End Height
0.550 inches minimum and 0.580 inches maximum
Details None.
Under Flange Height
1.420 inches minimum and 1.440 inches maximum
Details None.
Fsc Application Data
acft hydraulic system
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
29300 - W S
RVC WCC TCC SHC
- 576 Z Z

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Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA , GA , 30063-0001
UNITED STATES
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FAQs
Frequently asked questions for NSN 4810-00-473-9281
What is the NIIN of the NSN 4810-00-473-9281?
The National Item Identification Number (NIIN) of the NSN 4810-00-473-9281 is 00-473-9281
When the NSN 4810-00-473-9281 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4810-00-473-9281 contain any precious metals?
Type/content is unknown
Does the NSN 4810-00-473-9281 contain any hazardous material?
No data in HMIRS

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