Model: 21935

Valve Seat

Properties:

Flange Diameter
Between 0.434 inches and 0.435 inches
Body Outside Diameter
Between 0.324 inches and 0.326 inches
Body Inside Diameter
0.187 inches
Flange Seat To Disk End Height
0.065 inches
Under Flange Height
0.090 inches
Seating Surface Shape
Flat
Material
Steel
Material Specification
Mil-s-7420 cond c military specification single material response
Style Designator
Plain flanged
NSN
4820-00-091-4261
Part Number
21935
Description
Seat,valve
CAGE
81982

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 21935 NSN 4820-00-091-4261

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
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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