Model: C4618

Valve Seat

Special Features:

Two lugs equally spaced on perimeter of flange, 0.188 in.H, 0.625 in.W

Properties:

Thread Class
2a single threaded portion
Thread Length
0.391 inches first threaded portion
Thread Length
0.422 inches second threaded portion
Flange Diameter
5.000 inches
Body Inside Diameter
Between 4.000 inches and 4.004 inches
Flange Seat To Disk End Height
0.375 inches
Under Flange Height
1.562 inches
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
4.500 inches single threaded portion
Seating Surface Shape
Flat
Material
Copper
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
NSN
4820-00-035-9933
Part Number
C4618
Description
Seat,valve
CAGE
86184

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 C4618 NSN 4820-00-035-9933

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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