Model: 8859A12TT

Check Valve

Special Features:

Other media utilized: helium, hydrogen, hydraulic fluid (mineral base), hydrolube, lubricating oil, nitrogen

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
280.0 degrees fahrenheit single response
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
12 1st end
Maximum Operating Pressure
600.0 pounds per square inch single response
Thread Size
1.062 inches all ends
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Material
Aluminum alloy 6061 body
Material
Rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed
Air 1st response
Media For Which Designed
Alcohol, ethyl 5th response
Media For Which Designed
Carbon dioxide 3rd response
Media For Which Designed
Ethylene glycol 4th response
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unj all ends
NSN
4820-00-288-9801
Part Number
8859A12TT
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 8859A12TT NSN 4820-00-288-9801

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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