Model: 311428-1

Valve Seat

Properties:

Overall Height

Between 0.060 inches and 0.064 inches

Body Outside Diameter

0.374 inches

Seat Angle In Deg

Between 59.000 and 61.000

Hardness Rating

Not rated

Seating Surface Shape

Angular

Body Stepped Inside Diameter

0.156 inches first step

Material

Steel comp 303s

Material Specification

Mil-s-7720 military specification single material response

Surface Treatment

Any acceptable

Surface Treatment Specification

Mil-s-7720 military specification single treatment response

Style Designator

Plain

Fsc Application Data

Power unit, gas turbine engine

NSN

4820-00-859-2397

Part Number

311428-1

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 311428-1 NSN 4820-00-859-2397

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:

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:

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