Model: 311204

Restrictor Check Valve

Properties:

Thread Class
2b 1st end
Thread Direction
Right-hand 1st end
Aperture Diameter
0.062 inches
Flow Control Device
Disk
Connection Style
Barbed-beaded (hose) 2nd end
Connection Style
Barbed-beaded (hose) 3rd end
Connection Style
Inverted flare (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal tube 1st end
Connection Type
Unthreaded external hose 2nd end
Connection Type
Unthreaded external hose 3rd end
Mounting Position
Horizontal or vertical
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Plastic body
Material
Plastic seat
Material
Rubber synthetic flow control device
Thread Series Designator
Unf 1st end
NSN
4820-00-185-9850
Part Number
311204
Description
Valve,restrictor Check
CAGE
51267

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Part 311204 NSN 4820-00-185-9850

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20520
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

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:
000000
UFC:
00000
LTL:
NO RATING
LCL:
--
WCC:
772
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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