Model: K-1120-4-4

Check Valve

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
-65.0 degrees fahrenheit 1st response
Maximum Operating Temp
200.0 degrees fahrenheit 2nd response
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
20 1st end
Thready Qty Per Inch (tpi)
24 2nd end
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.375 inches 2nd end
Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.188 inches 2nd end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Steel comp 303
Material Specification
Ams 5640 assn standard single material response
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
NSN
4820-00-272-2238
Part Number
K-1120-4-4
Description
Valve,check
CAGE
55469

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 K-1120-4-4 NSN 4820-00-272-2238

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:
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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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