Model: 840331

Check Valve

Special Features:

Pilot controlled

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Width
6.250 inches 1st end
Length
5.125 inches 2nd end
Length
6.375 inches 1st end
Valve Operation Method
Automatic
Flange Shape
Rectangular with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Valve Size
2.000 inches
First Connection Face To Centerline Distance
4.000 inches
Bolt Hole Diameter
0.750 inches 2nd end
Bolt Hole Diameter
1.062 inches 1st end
Second Connection Face To Centerline Distance
3.500 inches
Center To Center Distance Between Bolt Holes Along Length
3.250 inches 2nd end
Center To Center Distance Between Bolt Holes Along Length
3.750 inches 1st end
Center To Center Distance Between Bolt Holes Along Width
3.250 inches 2nd end
Flange Face Design
Plain all ends
Material
Iron cast body
Material
Iron cast seat
Material
Steel flow control device
Style Designator
Angle flanged ends
NSN
4820-00-778-1329
Part Number
840331
Description
Valve,check
CAGE
62983

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 840331 NSN 4820-00-778-1329

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:
0.1000lbs
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: 8481302010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of iron

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