Model: 20A45406

Valve Seat

Special Features:

Two holes, 0.270 in. Min, 0.290 in max dia, 120.0 degrees c to c

Properties:

Flange Diameter
Between 2.226 inches and 2.232 inches
Body Outside Diameter
Between 1.360 inches and 1.370 inches
Body Inside Diameter
Between 1.247 inches and 1.253 inches
Flange Seat To Disk End Height
0.060 mils and 0.061 centimeters
Under Flange Height
Between 0.249 inches and 0.256 inches
Seating Surface Shape
Flat
Material
Steel
Material Specification
Ams5643 assn standard single material response
Style Designator
Plain flanged
NSN
4810-00-924-5456
Part Number
20A45406
Description
Seat,valve
CAGE
11599

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.

Part 20A45406 NSN 4810-00-924-5456

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
6.0 X 6.0 X 4.0
Paclk Weight:
0.5000lbs
Item Weight:
0.1000lbs
Item Dim:
004000400010
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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