Model: 866

Valve Seat

Properties:

Thread Class
2a single threaded portion
Thread Length
0.375 inches single threaded portion
Flange Diameter
1.250 inches
Body Inside Diameter
0.750 inches
Flange Seat To Disk End Height
0.375 inches
Under Flange Height
0.375 inches
Seat Angle In Deg
58.000
Thready Qty Per Inch (tpi)
20 single threaded portion
Thread Size
1.125 inches single threaded portion
Seating Surface Shape
Angular
Material
Stainless steel
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
NSN
4820-00-399-2762
Part Number
866
Description
Seat,valve
CAGE
75545

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 866 NSN 4820-00-399-2762

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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