Model: 4C2640

Check Valve

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
20 2nd end
Maximum Operating Pressure
-65.0 pounds per square inch 1st response
Maximum Operating Pressure
450.0 pounds per square inch 2nd response
Thread Size
0.438 inches 1st end
Thread Size
0.563 inches 2nd end
Seat Angle
45.0 degrees 1st end
Material
Stainless steel body
Material
Steel flow control device
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Straight thru
Thread Series Designator
Unjf 1st end
Thread Series Designator
Unjs 2nd end
NSN
4820-01-171-4391
Part Number
4C2640
Description
Valve,check
CAGE
99240

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 4C2640 NSN 4820-01-171-4391

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

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