Model: ND163

Valve Seat

Properties:

Thread Length
1.188 inches single threaded portion
Overall Height
1.375 inches
Body Inside Diameter
Between 1.997 inches and 2.002 inches
Seat Angle In Deg
43.000
Thready Qty Per Inch (tpi)
11-1/2 single threaded portion
Thread Size
2.537 inches single threaded portion
Seating Surface Shape
Angular
Material
Copper alloy
Material Specification
Astm b62, alloy 836 assn standard single material response seat
Style Designator
B5 plain threaded
Style Designator
Plain threaded
Thread Series Designator
Uns single threaded portion
NSN
4820-00-112-7269
Part Number
ND163
Description
Seat,valve
CAGE
14959

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 ND163 NSN 4820-00-112-7269

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:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
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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