Model: 30000404

Valve Seat

Properties:

Flange Diameter
Between 0.373 inches and 0.380 inches
Body Outside Diameter
Between 0.326 inches and 0.328 inches
Body Inside Diameter
0.187 inches
Flange Seat To Disk End Height
Between 0.069 inches and 0.328 inches
Under Flange Height
0.278 inches
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Thread Size
0.112 inches single threaded portion
Seating Surface Shape
Flat
Material
Steel
Surface Treatment
Passivate
Style Designator
Plain flanged
Thread Series Designator
Unc single threaded portion
Fsc Application Data
Servocylinderautomatic pilot system, aircraft
NSN
4820-00-580-4140
Part Number
30000404
Description
Seat,valve
CAGE
81873

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 30000404 NSN 4820-00-580-4140

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
E
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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:
Equipment for Aircraft

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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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