Model: 311546-8

Valve Seat

Properties:

Body Outside Diameter

Between 0.240 inches and 0.260 inches

Flange Seat To Disk End Height

0.097 inches

Under Flange Height

0.140 inches

Seat Angle In Deg

Between 29.500 and 30.500

Seating Surface Shape

Angular

Material

Steel comp 303

Material Specification

Mil-s-7720 military specification single material response

NSN

4820-00-136-6612

Part Number

311546-8

Description

Seat,valve

CAGE

59364

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 311546-8 NSN 4820-00-136-6612

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:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

671

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