Model: 1981-5-12

Valve Seat

Properties:

Overall Height

1.734 inches

Body Outside Diameter

Between 41.500 inches and 41.530 inches

Body Inside Diameter

Between 40.220 inches and 40.280 inches

Seat Radius

2.125 inches

Seating Surface Shape

Radial

Material

Rubber

Style Designator

Plain

NSN

4820-00-833-0543

Part Number

1981-5-12

Description

Seat,valve

CAGE

84136

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 1981-5-12 NSN 4820-00-833-0543

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:

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