Model: 6306-025

Check Valve

Special Features:

1 to 3 psi opening pressure

Properties:

Thread Class
3a 2nd end
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
165.0 degrees fahrenheit single response
End Application
Grumman; aircraft, a10
Connection Style
Flared (tube) 2nd end
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded external tube 2nd end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.125 inches 1st end
Thread Size
0.438 inches 2nd end
Seat Angle
45.0 degrees 2nd end
Material
Aluminum alloy body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Hydraulic fluid, petroleum base 2nd response
Media For Which Designed
Oil 1st response
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
Thread Series Designator
Unf 2nd end
NSN
4820-00-289-5850
Part Number
6306-025
Description
Valve,check
CAGE
91561

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 6306-025 NSN 4820-00-289-5850

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:
AW
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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