Model: 6534C491

Check Valve

Special Features:

Weapon system essential

Properties:

Thread Class
2b 2nd end
Thread Direction
Right-hand 2nd end
Flow Control Device
Disk
End Application
Alre; ticonderoga class cg-47; arleigh burke class ddg
Connection Style
Plain (pipe) 1st end
Connection Style
Plain, optional end (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded internal tube 2nd end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
5500.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Thread Size
0.750 inches 2nd end
Criticality Code Justification
Feat
Opening Pressure Setting
15.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Material
Steel body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Straight thru
Thread Series Designator
Unf 2nd end
NSN
4820-01-340-5741
Part Number
6534C491
Description
Valve,check
CAGE
80020

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 6534C491 NSN 4820-01-340-5741

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:
Y

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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