Valve Seat
526487
(NSN) National Stock Number
4820-00-050-8181
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
22113
Schedule B Code
8481909090
Summary
3a single threaded portion thread class, 0.459 inches nominal single threaded portion thread length, 1.255 inches nominal flange diameter, 0.268 inches nominal body inside diameter, 0.188 inches nominal seat radius, 0.128 inches nominal flange seat to disk end height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | 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
3a single threaded portion
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Length
0.459 inches nominal single threaded portion
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Flange Diameter
1.255 inches nominal
Details
The length of a straight line which passes through the center of a flange,and terminates at the circumference.Body Inside Diameter
0.268 inches nominal
Details
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.Seat Radius
0.188 inches nominal
Details
The radius of the end surface upon which the mated surface seats.Flange Seat To Disk End Height
0.128 inches nominal
Details
None.Under Flange Height
0.719 inches nominal
Details
None.Nominal Thread Size
0.562 inches single threaded portion
Details
A designation that is used for the purpose of general identification of the thread.Seating Surface Shape
radial
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
threaded flanged
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Thread Series Designator
unf 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 |
|---|---|---|---|---|---|---|---|
| 526487 | 65035 | 6 | - | C | 1 | - | ZZ |
| P55484 | 65035 | 6 | - | C | 1 | - | ZZ |
| 900V7309 | 8E499 | 5 | - | 5 | 9 | - | AX |
| 562307 | 82722 | 6 | - | 3 | 2 | - | CT |
| P55484 | 82722 | X | - | 5 | 9 | - | XX |
| 9007309 | 34161 | 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 |
|---|---|---|---|
| - | 576 | Z | 9 |
Certified Supplier
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Manufacturer
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WABTEC CORP
CAGE: 82722
PITTSBURGH
, PA
, 15212-5862
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-050-8181
What is the NIIN of the NSN 4820-00-050-8181?
The National Item Identification Number (NIIN) of the NSN 4820-00-050-8181 is 00-050-8181
When the NSN 4820-00-050-8181 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-050-8181 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-050-8181 contain any hazardous material?
No data in HMIRS
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