Model: 43249A

Valve Seat

Properties:

Thread Class

3b single threaded portion

Thread Length

0.150 inches single threaded portion

Flange Diameter

Between 0.283 inches and 0.285 inches

Body Outside Diameter

Between 0.260 inches and 0.265 inches

Body Inside Diameter

Between 0.126 inches and 0.130 inches

Flange Seat To Disk End Height

0.420 mils and 0.431 centimeters

Under Flange Height

Between 0.333 inches and 0.361 inches

Thread Size

0.164 inches single threaded portion

Seating Surface Shape

Flat

Material

Stainless steel

Surface Treatment

Passivate

Style Designator

Plain flanged

Thread Series Designator

Unc single threaded portion

Fsc Application Data

Aircraft auxiliary power unit

NSN

4810-01-142-4264

Part Number

43249A

Description

Seat,valve

CAGE

73760

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 43249A NSN 4810-01-142-4264

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:

60.0

WCC:

72D

TCC:

SHC:

ACC:

Equipment for Aircraft

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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