Model: 20-05658

Valve Seat

Properties:

Overall Height
0.375 inches
Body Outside Diameter
Between 2.251 inches and 2.257 inches
Body Inside Diameter
1.500 inches
Seat Angle In Deg
45.000
Hardness Rating
90.0 brinell standard body and 95.0 brinell standard body
Hardness Rating
90.0 brinell standard face and 95.0 brinell standard face
Seating Surface Shape
Angular
Material
Rubber buna n
Style Designator
Plain
NSN
4820-00-451-8015
Part Number
20-05658
Description
Seat,valve
CAGE
03670

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 20-05658 NSN 4820-00-451-8015

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:
000000
UFC:
00000
LTL:
NO RATING
LCL:
--
WCC:
594
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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