Model: MC12944

Valve Seat

Properties:

Flange Diameter

Between 0.550 inches and 0.580 inches

Body Outside Diameter

Between 0.357 inches and 0.360 inches

Body Inside Diameter

Between 0.111 inches and 0.170 inches

Seat Radius

0.188 inches

Flange Seat To Disk End Height

Between 0.101 inches and 0.108 inches

Under Flange Height

Between 0.418 inches and 0.422 inches

Hardness Rating

82.0 rockwell c

Seating Surface Shape

Radial

Material

Stainless steel

Material Specification

Qq-s-764 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mc+5 mfr ref single treatment response

Style Designator

Plain flanged

NSN

4820-01-085-7071

Part Number

MC12944

Description

Seat,valve

CAGE

76050

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 MC12944 NSN 4820-01-085-7071

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:

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:

WCC:

576

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