Valve Seat

2245-0046

2245-0046
(NSN) National Stock Number
4820-00-625-9059
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
22113
Schedule B Code
8481909090
Summary

2a single threaded portion thread class, 0.250 inches nominal single threaded portion thread length, 0.312 inches nominal overall height, 0.210 inches nominal body inside diameter, 27 single threaded portion thread quantity per inch, 0.500 inches single threaded portion nominal thread size

DAC HCC DMIL RNCC
5 - - 5
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
Thread Class
2a single threaded portion
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Length
0.250 inches nominal single threaded portion
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Overall Height
0.312 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Body Inside Diameter
0.210 inches nominal
Details The length of a straight line which passes through the center of a body,and terminates at the inside circumference.
Thread Quantity Per Inch
27 single threaded portion
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.500 inches single threaded portion
Details A designation that is used for the purpose of general identification of the thread.
Seating Surface Shape
flat
Details The physical configuration of the surface of the seat.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
plain threaded
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
uns single threaded portion
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
0729-01 91816 5 - 5 9 - AX
G22450046 91816 5 - 3 2 - ZZ
0729-01 63026 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 AEROSPACE, INC. DBA CIRCOR AEROSPACE INC
CAGE: 91816
CORONA , CA , 92878-5101
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-625-9059
What is the NIIN of the NSN 4820-00-625-9059?
The National Item Identification Number (NIIN) of the NSN 4820-00-625-9059 is 00-625-9059
When the NSN 4820-00-625-9059 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-625-9059 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-625-9059 contain any hazardous material?
No data in HMIRS

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