Model: R3156-3PC2

Valve Seat

Properties:

Thread Class
2a single threaded portion
Thread Length
0.500 inches single threaded portion
Overall Height
1.938 inches
Body Inside Diameter
0.875 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
4.875 inches single threaded portion
Seating Surface Shape
Angular
Material
Copper alloy
Style Designator
B5 plain threaded
Style Designator
Plain threaded
Thread Series Designator
Un single threaded portion
NSN
4820-00-036-2305
Part Number
R3156-3PC2
Description
Seat,valve
CAGE

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 R3156-3PC2 NSN 4820-00-036-2305

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

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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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