Model: C44335

Check Valve

Properties:

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
External seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.750 inches all ends
Outside Diameter Tube Accommodated
1.250 inches 1st end
Material
Steel comp 303 body
Material
Steel comp 303 seat
Material
Steel comp 416 flow control device
Material Specification
Fed standard 66, aisi 303/sae 30303 federal standard single material response seat
Material Specification
Fed standard 66, aisi 416/sae 51416 federal standard single material response flow control device
Material Specification
Fed-std-66, aisi 303/sae 30303 federal standard single material response body
Media For Which Designed
Air single response
Surface Treatment
Passivate
Style Designator
Straight thru
Thread Series Designator
Un all ends
NSN
4820-00-400-6571
Part Number
C44335
Description
Valve,check
CAGE
77842

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 C44335 NSN 4820-00-400-6571

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

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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