Model: 101B354AA2

Valve Seat

Properties:

Flange Diameter
Between 2.5005 inches and 2.5010 inches
Body Outside Diameter
Between 1.999 inches and 2.000 inches
Seat Radius
Between 0.147 inches and 0.153 inches
Flange Seat To Disk End Height
0.498 mils and 0.502 centimeters
Under Flange Height
1.000 inches
Seating Surface Shape
Radial
Body Stepped Inside Diameter
0.500 inches first step
Body Stepped Inside Diameter
0.645 inches second step
Body Stepped Inside Diameter
1.500 inches third step
Material
Steel body
Material
Steel seat
Material Specification
Mil-s-853, cl 3, ty e military specification single material response body
Material Specification
Stellite b21b23 mfr ref single material response seat
Style Designator
Plain flanged
Fsc Application Data
Turbine, steam
NSN
4820-00-987-7453
Part Number
101B354AA2
Description
Seat,valve
CAGE
03502

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 101B354AA2 NSN 4820-00-987-7453

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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