Model: 20-05658

Valve Seat

Properties:

Overall Height

0.375 inches

Body Outside Diameter

Between 2.251 inches and 2.257 inches

Body Inside Diameter

1.500 inches

Seat Angle In Deg

45.000

Hardness Rating

90.0 brinell standard body and 95.0 brinell standard body

Hardness Rating

90.0 brinell standard face and 95.0 brinell standard face

Seating Surface Shape

Angular

Material

Rubber buna n

Style Designator

Plain

NSN

4820-00-451-8015

Part Number

20-05658

Description

Seat,valve

CAGE

03670

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 20-05658 NSN 4820-00-451-8015

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

000000

UFC:

00000

LTL:

NO RATING

LCL:

WCC:

594

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