Model: A1108-3

Valve Seat

Properties:

Thread Class
2a single threaded portion
Flange Diameter
2.031 inches
Body Inside Diameter
1.671 inches
Seat Radius
0.093 inches
Flange Seat To Disk End Height
0.250 inches
Under Flange Height
0.187 inches
Thready Qty Per Inch (tpi)
20 single threaded portion
Thread Size
1.875 inches single threaded portion
Seating Surface Shape
Radial
Material
Copper alloy
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
NSN
4820-00-470-6538
Part Number
A1108-3
Description
Seat,valve
CAGE
95775

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 A1108-3 NSN 4820-00-470-6538

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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