Model: B3291860REVAPC1

Valve Seat

Properties:

Flange Diameter
Between 2.626 inches and 2.631 inches
Taper Minor Diameter
Between 1.125 inches and 1.128 inches
Taper Major Diameter
Between 1.448 inches and 1.454 inches
Body Outside Diameter
Between 2.122 inches and 2.123 inches
Body Inside Diameter
Between 1.448 inches and 1.454 inches
Seat Radius
0.337 inches
Flange Seat To Disk End Height
0.498 mils and 0.502 centimeters
Under Flange Height
Between 1.414 inches and 1.924 inches
Seating Surface Shape
Radial
Material
Rod, welding, surfacing face
Material
Steel body
Material Specification
Mil-r-17131, type mil-rcocr-a military specification single material response face
Material Specification
Qq-s-763, class 410 federal specification single material response body
Style Designator
Plain flanged
NSN
4820-00-678-4345
Part Number
B3291860REVAPC1
Description
Seat,valve
CAGE
80064

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 B3291860REVAPC1 NSN 4820-00-678-4345

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:
--
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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