Model: 20189 PIECE 5

Valve Seat

Special Features:

Has two lugs 180deg apart, 0.375in.X0.375in

Properties:

Thread Class
2a first threaded portion
Thread Class
2a second threaded portion
Thread Length
1.188 inches first threaded portion
Thread Length
1.250 inches second threaded portion
Overall Height
2.688 inches
Body Inside Diameter
Between 2.000 inches and 2.001 inches
Seat Angle In Deg
Between 45.000 and 45.083
Thready Qty Per Inch (tpi)
14 first threaded portion
Thready Qty Per Inch (tpi)
14 second threaded portion
Hardness Rating
Not rated
Thread Size
2.625 inches first threaded portion
Thread Size
3.125 inches second threaded portion
Seating Surface Shape
Angular
Criticality Code Justification
Zzzy
Material
Steel comp 316l
Style Designator
Double flanged
Thread Series Designator
Uns first threaded portion
Thread Series Designator
Uns second threaded portion
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
NSN
4820-01-215-4398
Part Number
20189 PIECE 5
Description
Seat,valve
CAGE
01343

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 20189 PIECE 5 NSN 4820-01-215-4398

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:
C

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 5.0
Paclk Weight:
5.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
594
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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