Model: 1391949

Valve Seat

Properties:

Flange Diameter
Between 3.495 inches and 3.505 inches
Body Outside Diameter
Between 3.002 inches and 3.003 inches
Body Inside Diameter
Between 1.995 inches and 2.005 inches
Seat Radius
Between 0.620 inches and 0.630 inches
Flange Seat To Disk End Height
0.875 inches
Under Flange Height
3.688 inches
Seating Surface Shape
Radial
Material
Steel
Material Specification
Qq-s-763 federal specification single material response
Style Designator
Plain flanged
NSN
4820-00-149-2092
Part Number
1391949
Description
Seat,valve
CAGE
90099

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 1391949 NSN 4820-00-149-2092

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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