Model: 25J553PC163

Valve Seat

Properties:

Flange Diameter
0.438 inches
Body Outside Diameter
Between 0.187 inches and 0.188 inches
Flange Seat To Disk End Height
0.156 inches
Under Flange Height
0.438 inches
Hardness Rating
32.0 rockwell c body
Material
Steel body
Material Specification
Mil-t-18291 military specification single material response body
Style Designator
Plain flanged
NSN
4810-00-339-4535
Part Number
25J553PC163
Description
Seat,valve
CAGE
79500

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 25J553PC163 NSN 4810-00-339-4535

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:
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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