Valve Seat

026-18-24-0042-0001

026-18-24-0042-0001
(NSN) National Stock Number
4820-00-200-9056
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
22113
Schedule B Code
8481909090
Summary

3.552 inches minimum and 3.557 inches maximum flange diameter, 3.302 inches minimum and 3.307 inches maximum body outside diameter, 1.500 inches nominal body inside diameter, 0.155 inches nominal flange seat to disk end height, 0.280 inches minimum and 0.285 inches maximum under flange height, 34.000 minimum and 35.000 maximum seat angle in deg

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
9 - - AX
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
3.552 inches minimum and 3.557 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
3.302 inches minimum and 3.307 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
1.500 inches nominal
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
0.155 inches nominal
Details None.
Under Flange Height
0.280 inches minimum and 0.285 inches maximum
Details None.
Seat Angle In Deg
34.000 minimum and 35.000 maximum
Details The angle of the end surface upon which the mated surface seats,expressed in degrees.
Seating Surface Shape
angular
Details The physical configuration of the surface of the seat.
Special Features
7.5 deg angle face opposite seat
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
plastic polytetrafluoroethylene overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
plain flanged
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
426-18-24-0042-0001 16626 5 - 5 9 - AX
618-24-01 16626 1 - 5 9 - AX
618-24-16 16626 5 - 5 9 - AX
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 -
RVC WCC TCC SHC
- 594 Z 9

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Manufacturer
CIRCOR INTL INC
CAGE: 16626
MILFORD , NH , 03055
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-200-9056
What is the NIIN of the NSN 4820-00-200-9056?
The National Item Identification Number (NIIN) of the NSN 4820-00-200-9056 is 00-200-9056
When the NSN 4820-00-200-9056 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961
Does the NSN 4820-00-200-9056 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-200-9056 contain any hazardous material?
No data in HMIRS

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