Model: 497-16B52-2

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
Maximum Operating Temp
200.0 degrees fahrenheit single response
Connection Style
Flared (tube) 2nd end
Connection Style
Flare (tube) 1st end
Valve Operation Method
Manual
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal tube 1st end
Mounting Position
Horizontal or vertical
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 2nd end
Outside Diameter Tube Accommodated
1.000 inches 1st end
Material
Copper alloy body
Material
Rubber synthetic seat
Material
Steel comp 304 flow control device
Style Designator
Straight thru
Thread Series Designator
Un 1st end
Thread Series Designator
Un 2nd end
NSN
4820-01-225-6846
Part Number
497-16B52-2
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 497-16B52-2 NSN 4820-01-225-6846

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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