Model: 1JC8956-6

Valve Seat

Properties:

Flange Diameter

Between 3.042 inches and 3.052 inches

Taper Minor Diameter

Between 0.995 inches and 1.005 inches

Taper Major Diameter

1.344 inches

Body Outside Diameter

Between 2.562 inches and 2.563 inches

Body Inside Diameter

1.344 inches

Seat Radius

Between 0.308 inches and 0.318 inches

Flange Seat To Disk End Height

1.245 mils and 1.255 centimeters

Under Flange Height

0.938 inches

Seal Accommodation Type

Grooved

Seating Surface Shape

Radial

Material

Rod, welding, surfacing face

Material

Steel body

Material Specification

Mil-r-17131, type mil-rcocr-a military specification single material response face

Material Specification

Qq-s-763 federal specification single material response body

Style Designator

Plain flanged

NSN

4820-00-594-1998

Part Number

1JC8956-6

Description

Seat,valve

CAGE

90099

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 1JC8956-6 NSN 4820-00-594-1998

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:

4.0 X 4.0 X 3.3

Paclk Weight:

1.3000lbs

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