Model: 4558741

Valve Seat

Special Features:

Material zytel 45 hsb, as manufactured by e.I. Dupont of wilmington, delaware; use only with ball plated with poly-ond

Properties:

Overall Height

0.375 inches

Body Outside Diameter

2.125 inches

Body Inside Diameter

1.250 inches

End Application

4820-01-543-8356; w/s ssn74

Seat Radius

0.469 inches

Seating Surface Shape

Radial

Part Name Assigned By Controlling Agency

Seat

Material

Plastic

Material Specification

Zytel 45 hsb mfr ref single material response

Style Designator

Plain

NSN

4820-01-543-8542

Part Number

4558741

Description

Seat,valve

CAGE

80064

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 4558741 NSN 4820-01-543-8542

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:

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