Model: 3-5121

Stop-check Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Bolt Hole Quantity
7 1st end
Valve Operation Method
Manual
Flange Shape
Round with holes 1st end
Flange Shape
Round 2nd end
Connection Type
Flange all ends
Mounting Position
Horizontal
Features Provided
Bonnet packing
Valve Size
3.000 inches
Maximum Operating Pressure
50.0 pounds per square inch single response
Outside Diameter
6.625 inches 2nd end
Outside Diameter
7.500 inches 1st end
Face To Face Distance
7.094 inches
Thickness
0.438 inches 1st end
Thickness
0.500 inches 2nd end
Bolt Hole Diameter
0.531 inches 1st end
Bolt Circle Diameter
6.375 inches 1st end
Flange Face Design
Plain all ends
Material
Copper alloy 922 body
Material
Copper alloy 922 flow control device
Material
Nickel alloy stem
Material Specification
Astm b164-61 assn standard single material response stem
Material Specification
Qq-c-390, alloy d4 federal specification single material response body
Material Specification
Qq-c-390, alloy d4 federal specification single material response flow control device
Media For Which Designed
Water, salt single response
Style Designator
Straight through flanged ends
NSN
4820-01-100-3407
Part Number
3-5121
Description
Valve,stop-check
CAGE
91643

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 3-5121 NSN 4820-01-100-3407

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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
19.0000lbs
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:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481301010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

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

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