Model: 311904-2

Valve Seat

Description:

0.374 inches flange diameter, 0.264 inches body outside diameter, 0.058 inches body inside diameter, 0.035 mils flange seat to disk end height.

Properties:

Flange Diameter

Between 0.374 inches and 0.375 inches

Body Outside Diameter

Between 0.264 inches and 0.269 inches

Body Inside Diameter

Between 0.058 inches and 0.060 inches

Flange Seat To Disk End Height

0.035 mils and 0.040 centimeters

Under Flange Height

Between 0.105 inches and 0.110 inches

Seat Angle In Deg

Between 59.000 and 61.000

Seating Surface Shape

Angular

Material

Steel

Style Designator

Plain flanged

NSN

4820-00-009-0392

Part Number

311904-2

Description

Seat,valve

CAGE

81833

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 311904-2 NSN 4820-00-009-0392

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:

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