Model: 101C428AA1

Valve Seat

Properties:

Flange Diameter

Between 4.2510 inches and 4.2515 inches

Body Outside Diameter

Between 3.747 inches and 3.748 inches

Seat Radius

Between 0.672 inches and 0.678 inches

Flange Seat To Disk End Height

0.500 inches

Under Flange Height

2.250 inches

Seating Surface Shape

Radial

Body Stepped Inside Diameter

2.250 inches first step

Body Stepped Inside Diameter

2.680 inches second step

Material

Rubber seat

Material

Steel body

Material Specification

Mil-s-853 military specification single material response body

Style Designator

Plain flanged

Fsc Application Data

Turbine, steam

NSN

4820-00-992-9485

Part Number

101C428AA1

Description

Seat,valve

CAGE

03502

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 101C428AA1 NSN 4820-00-992-9485

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

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