Model: MC12548

Valve Seat

Special Features:

Two holes 0.100 in. Diameter thru

Properties:

Flange Diameter

Between 0.630 inches and 0.632 inches

Body Outside Diameter

0.530 inches

Flange Seat To Disk End Height

0.690 inches

Under Flange Height

0.255 inches

Seat Angle In Deg

90.000

Seating Surface Shape

Angular

Body Stepped Inside Diameter

0.190 inches second step

Body Stepped Inside Diameter

0.313 inches first step

Material

Aluminum alloy 2024

Material Specification

Qq-a-225, type2024-t351 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response

Style Designator

Plain flanged

NSN

4820-01-081-7872

Part Number

MC12548

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 MC12548 NSN 4820-01-081-7872

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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