Model: 446-16S26-6

Check Valve

Properties:

Pipe Size Accommodated
1.312 inches 2nd end
Thread Class
3a 1st end
Thread Class
3b 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
Flared (tube) 1st end
Connection Style
Gasket seal (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded internal boss 2nd end
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.312 inches 1st end
Thread Size
1.312 inches 2nd end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
1.000 inches 1st end
Outside Diameter Tube Accommodated
1.000 inches 2nd end
Material
Aluminum alloy 2017 body
Material
Steel comp 440c flow control device
Material
Steel comp 440c seat
Material Specification
66, aisi 303/sae 30303 federal standard single material response seat
Material Specification
Qq-a-225/5, alloy 2017, t4 federal specification single material response body
Material Specification
Qq-s-763, class 440c federal specification single material response flow control device
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Straight thru
Thread Series Designator
Un 1st end
Thread Series Designator
Unj 2nd end
NSN
4820-00-167-3638
Part Number
446-16S26-6
Description
Valve,check
CAGE
09990

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 446-16S26-6 NSN 4820-00-167-3638

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.3000lbs
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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