Model: 31F-FS2-INT-FF-.75IN

Check Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Weight
Renewable Seat Ring Type
Pressed-in
Bolt Hole Quantity
4 all ends
End Application
New construction lcs1
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.750 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
3.880 inches all ends
Face To Face Distance
4.500 inches
Thickness
0.440 inches all ends
Bolt Hole Diameter
0.620 inches all ends
Bolt Circle Diameter
2.750 inches all ends
Flange Face Design
Plain all ends
Part Name Assigned By Controlling Agency
Swing check valve
Material
Steel body
Material
Steel flow control device
Material
Steel seat
Material Specification
Astm a105n assn standard single material response body
Material Specification
Astm a479-410 assn standard single material response flow control device
Material Specification
Astm a479-410 assn standard single material response seat
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Straight through flanged ends
NSN
4820-01-537-0175
Part Number
31F-FS2-INT-FF-.75IN
Description
Valve,check
CAGE
61661

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 31F-FS2-INT-FF-.75IN NSN 4820-01-537-0175

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:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
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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