Valve Seat
218400001001
(NSN) National Stock Number
4820-00-467-2576
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
22113
Schedule B Code
8481909090
Summary
5.312 inches nominal flange diameter, 0.687 inches nominal taper length, 3.000 inches nominal taper minor diameter, 4.375 inches nominal taper major diameter, 5.000 inches nominal body outside diameter, 3.000 inches nominal body inside diameter
| 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
Flange Diameter
5.312 inches nominal
Details
The length of a straight line which passes through the center of a flange,and terminates at the circumference.Taper Length
0.687 inches nominal
Details
A measurement of the longest dimension of the tapered portion of an item,in distinction from width.Taper Minor Diameter
3.000 inches nominal
Details
The length of a straight line which passes through the center of the smallest circular cross section of the tapered portion,and terminates at the circumference.Taper Major Diameter
4.375 inches nominal
Details
The length of a straight line which passes through the center of the largest circular cross section of the tapered portion,and terminates at the circumference.Body Outside Diameter
5.000 inches nominal
Details
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.Body Inside Diameter
3.000 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
0.188 inches nominal
Details
None.Under Flange Height
0.438 inches nominal
Details
None.Seat Angle In Deg
37.000 nominal
Details
The angle of the end surface upon which the mated surface seats,expressed in degrees.Seal Accommodation Type
recessed
Details
Indicates the type of seal accommodation included in or on the item.Seating Surface Shape
angular
Details
The physical configuration of the surface of the seat.Material
plastic polytetrafluoroethylene seat
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 |
|---|---|---|---|---|---|---|---|
| 002-18-400001-0 | 35795 | 6 | - | C | 1 | - | ZZ |
| 008961 | 35795 | 6 | - | 5 | 9 | - | ZZ |
| NC008961 | 35795 | 6 | - | 3 | 2 | - | ZZ |
| 002-18-40-0001-0001 | 16626 | 6 | - | 5 | 9 | - | AX |
| 00218400001-0001 | 16626 | 6 | - | 5 | 9 | - | AX |
| 298-30-67PC9 | 16626 | 6 | - | 5 | 9 | - | AX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 29300 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-467-2576
What is the NIIN of the NSN 4820-00-467-2576?
The National Item Identification Number (NIIN) of the NSN 4820-00-467-2576 is 00-467-2576
When the NSN 4820-00-467-2576 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Mon, Jun 3, 1974
Does the NSN 4820-00-467-2576 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-467-2576 contain any hazardous material?
No data in HMIRS
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