Model: F556PC54

Valve Seat

Properties:

Thread Class

2a first threaded portion

Thread Class

2a second threaded portion

Thread Length

0.500 inches first threaded portion

Thread Length

1.625 inches second threaded portion

Overall Height

3.000 inches

Thread Size

0.375 inches first threaded portion

Thread Size

0.375 inches second threaded portion

Seating Surface Shape

Flat

Material

Silicon alloy seat

Style Designator

Double flanged

Thread Series Designator

Unf first threaded portion

Thread Series Designator

Unf second threaded portion

NSN

4810-00-473-4814

Part Number

F556PC54

Description

Seat,valve

CAGE

70255

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 F556PC54 NSN 4810-00-473-4814

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:

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:

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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