Model: 8559A-4TT-2

Check Valve

Special Features:

Buna n o-rings

Properties:

Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Valve Size
0.250 inches
Face To Face Distance
2.440 inches
Part Name Assigned By Controlling Agency
Low pressure check valve
Material
Aluminum alloy 2024 body
Style Designator
Straight through flanged ends
NSN
4820-01-625-8279
Part Number
8559A-4TT-2
Description
Valve,check
CAGE
91816

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 8559A-4TT-2 NSN 4820-01-625-8279

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
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:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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