Model: 71553-78X2PC2

Valve Seat

Properties:

Overall Height

1.750 inches

Body Outside Diameter

Between 18.948 inches and 18.958 inches

Body Inside Diameter

Between 14.809 inches and 14.817 inches

Seat Angle In Deg

30.000

Seating Surface Shape

Angular

Criticality Code Justification

Zzzy

Material

Plastic

Material Specification

Mc903 mfr ref single material response

Style Designator

Plain

Reference Number Differentiating Characteristics

Item that supports a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process

NSN

4820-00-435-0502

Part Number

71553-78X2PC2

Description

Seat,valve

CAGE

96169

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 71553-78X2PC2 NSN 4820-00-435-0502

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:

25.0 X 25.0 X 8.0

Paclk Weight:

70.1000lbs

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