Model: 1750-TIG 3.0IN

Vent-check Valve

Special Features:

Includes flame screen; nha swbs-500

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Ball
Connection Style
Plain, optional end (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Mounting Facility
Threaded fastener
Mounting Position
Vertical
Thready Qty Per Inch (tpi)
8 1st end
Thread Size
3.000 inches 1st end
Part Name Assigned By Controlling Agency
Inverted vent check valve
Material
Copper flow control device
Material
Iron cast body
Media For Which Designed
Vacuum 1st response
Media For Which Designed
Water, salt 2nd response
Surface Treatment
Zinc
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
Furnished Items And Quantity
1 float and 1 cover and 1 strainer
NSN
4820-01-469-0309
Part Number
1750-TIG 3.0IN
Description
Valve,vent-check
CAGE
79128

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Part 1750-TIG 3.0IN NSN 4820-01-469-0309

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
52995
FIIG:
A530B0
Concept No.:
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:
--
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:
Trailers/Vehicles

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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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