Model: ADD544A

Engine Valve Seat Insert

Special Features:

1.000 in. Hex wrenching feature between thread ends

Properties:

Thread Class
2a first threaded portion
Thread Class
2a second threaded portion
Thread Length
0.490 inches second threaded portion
Thread Length
0.375 inches first threaded portion
Overall Height
1.625 inches
Thread Size
0.625 inches first threaded portion
Thread Size
0.750 inches second threaded portion
Seating Surface Shape
Flat
Body Stepped Inside Diameter
0.289 inches first step
Body Stepped Inside Diameter
0.405 inches second step
Body Stepped Inside Diameter
0.500 inches third step
Material
Stainless steel
Style Designator
Double flanged
Thread Series Designator
Unf first threaded portion
Thread Series Designator
Unf second threaded portion
NSN
2815-00-147-0475
Part Number
ADD544A
Description
Insert,engine Valve Seat
CAGE
82796

A metal ring designed to provide a seating surface for a valve, poppet, engine it is made of special high-grade alloy metal that can withstand high operating temperatures. For fulid valves, see seat, valve.

Part ADD544A NSN 2815-00-147-0475

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
42140
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Phone: +1 470-231-0824
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Schedule B and Export
  • Schedule B: 8409998000
  • SITC: 71392
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi

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