Model: 663956-2

Valve Seat

Description:

1.242 inches flange diameter, 0.803 inches overall height, 52.0 rockwell b hardness rating, test criticality code justification.

Properties:

Flange Diameter

Between 1.242 inches and 1.246 inches

Overall Height

Between 0.803 inches and 0.813 inches

Taper Length

Between 0.220 inches and 0.260 inches

Taper Minor Diameter

Between 0.330 inches and 0.340 inches

Taper Major Diameter

Between 0.489 inches and 0.495 inches

Seal Accommodation Type

Grooved

Hardness Rating

52.0 rockwell b and 56.0 rockwell b

Criticality Code Justification

Test

Material

Stainless steel

Material Specification

Mil-s-7720, comp 303, cond b military specification single material response

Surface Treatment

Nickel

Test Data Document

99193-663956 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Fsc Application Data

Solenoid valve

NSN

4810-00-016-1042

Part Number

663956-2

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 663956-2 NSN 4810-00-016-1042

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:

576

TCC:

SHC:

ACC:

Construction Materials

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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