Model: 20-91013

Lift-check Valve

Special Features:

60 degrees porm 10 degrees lh or rh for open position

Properties:

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Disk Loading Method
Spring
Connection Style
Gasket seal (boss) 1st end
Connection Type
Threaded internal tube 1st end
Mounting Facility
Threaded fastener
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
20 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Seat Angle
45.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy body
Material
Aluminum alloy seat
Material
Steel flow control device
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
NSN
4820-00-332-9847
Part Number
20-91013
Description
Valve,lift-check
CAGE
76301

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

Part 20-91013 NSN 4820-00-332-9847

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27828
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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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