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:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
72D
TCC:
Z
SHC:
9
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

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