Model: AA21042PC21042-6

Valve Seat

Properties:

Thread Class
2a single threaded portion
Thread Length
0.375 inches single threaded portion
Flange Diameter
1.562 inches
Body Inside Diameter
Between 0.625 inches and 0.627 inches
Flange Seat To Disk End Height
0.188 inches
Under Flange Height
0.375 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
14 single threaded portion
Hardness Rating
300.0 brinell standard body
Hardness Rating
300.0 brinell standard face
Thread Size
1.312 inches single threaded portion
Seating Surface Shape
Angular
Material
Steel
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
NSN
4820-00-391-8183
Part Number
AA21042PC21042-6
Description
Seat,valve
CAGE
23168

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 AA21042PC21042-6 NSN 4820-00-391-8183

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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