Model: 870B323-1

Valve Seat

Properties:

Overall Height
3.125 inches
Body Outside Diameter
3.500 inches
Body Inside Diameter
Between 1.706 inches and 1.708 inches
Seat Angle In Deg
50.000
Seating Surface Shape
Angular
Material
Rod, welding, surfacing seat
Material
Steel body
Material Specification
Mil-r-17131, type mil-rcocr-a military specification single material response seat
Style Designator
Plain
NSN
4820-00-860-0717
Part Number
870B323-1
Description
Seat,valve
CAGE
24446

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 870B323-1 NSN 4820-00-860-0717

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:
593
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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