Model: 803-6397434-144121

Lift-check Valve

Properties:

Pipe Size Accommodated
1.000 inches all ends
Flow Control Device
Disk
Bonnet Type
Packing retaining
Maximum Operating Temp
250.0 degrees fahrenheit single response
Minimum Operating Temp
28.0 degrees fahrenheit
End Application
Navy weapons systems jg, seawolf class ssn
Connection Style
Socket (pipe) all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Vertical
Material
Nickel alloy body
Material
Plastic polychlorotrifluoroethylene seat
Material
Rubber fluorocarbon class fpm packing
Material Specification
Mil-p-46036 type 1 (pctfe) military specification single material response seat
Material Specification
Mil-r-83248 class 2 (90 durometer) military specification single material response packing
Material Specification
Qq-n-281 class a form 2 federal specification single material response body
Style Designator
Straight thru
Furnished Items And Quantity
1 cap
NSN
4820-01-432-7698
Part Number
803-6397434-144121
Description
Valve,lift-check
CAGE
53711

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

Part 803-6397434-144121 NSN 4820-01-432-7698

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27828
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:
5.9000lbs
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: 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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