Model: P4128A

Valve Seat

Properties:

Thread Class
3a single threaded portion
Thread Length
0.406 inches single threaded portion
Flange Diameter
2.250 inches
Body Inside Diameter
Between 1.750 inches and 2.000 inches
Flange Seat To Disk End Height
0.250 inches
Under Flange Height
1.640 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
2.062 inches single threaded portion
Seating Surface Shape
Angular
Material
Nickel or copper alloy
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
NSN
4820-00-035-9724
Part Number
P4128A
Description
Seat,valve
CAGE
70667

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 P4128A NSN 4820-00-035-9724

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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:
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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