Model: 28807

Valve Seat

Special Features:

0.125 in. Diameter gage ball

Properties:

Flange Diameter

Between 0.610 inches and 0.611 inches

Body Outside Diameter

Between 0.499 inches and 0.501 inches

Body Inside Diameter

Between 0.315 inches and 0.325 inches

End Application

48108056178, f-111

Seat Radius

0.010 inches

Flange Seat To Disk End Height

0.060 inches

Under Flange Height

Between 0.385 inches and 0.395 inches

Hardness Rating

36.0 rockwell c and 42.0 rockwell c

Seating Surface Shape

Radial

Material

Steel comp 440c

Material Specification

Qq-s-763 federal specification all material responses

Surface Treatment

Passivate

Style Designator

Plain flanged

NSN

4810-00-199-8720

Part Number

28807

Description

Seat,valve

CAGE

0UES3

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 28807 NSN 4810-00-199-8720

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