Model: C422-1-B2

Stop-check Valve

Special Features:

Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Properties:

Pipe Size Accommodated
0.500 inches 1st end
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Maximum Operating Temp
775.0 degrees fahrenheit single response
Connection Style
Socket (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe 1st end
Mounting Position
Horizontal
Features Provided
Bonnet packing
Maximum Operating Pressure
1500.0 pounds per square inch single response
Criticality Code Justification
Zzzx
Criticality Code Justification
Feat
Material
Cobalt alloy seat
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel stem
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
NSN
4820-00-725-7070
Part Number
C422-1-B2
Description
Valve,stop-check
CAGE
11859

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part C422-1-B2 NSN 4820-00-725-7070

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
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:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
9.0 X 7.0 X 7.0
Paclk Weight:
7.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
E
LVL_B:
F

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

Freight Class: Check valves of steel

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