Model: 538244

Valve Seat

Description:

0.495 inches overall height, 0.684 inches body outside diameter, 0.627 inches body inside diameter, 70.0 rockwell b hardness rating.

Special Features:

Two holes equally spaced 0.188 in. Dia, 0.040 in. Deep, body groove on unseated end, 0.089 in. Min, 0.099 in. Max w, 0.055 in. Min, 0.057 in. Max deep

Properties:

Overall Height

Between 0.495 inches and 0.500 inches

Body Outside Diameter

Between 0.684 inches and 0.686 inches

Body Inside Diameter

Between 0.627 inches and 0.630 inches

Hardness Rating

70.0 rockwell b and 100.0 rockwell b

Seating Surface Shape

Flat

Material

Steel comp 303s or steel comp 303se

Material Specification

Mil-s-7720 military specification single material response

NSN

4810-00-044-2763

Part Number

538244

Description

Seat,valve

CAGE

73030

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 538244 NSN 4810-00-044-2763

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:

3.7 X 2.5 X 1.2

Paclk Weight:

0.1000lbs

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

60.0

WCC:

576

TCC:

SHC:

ACC:

Equipment for Aircraft

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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