Model: MS28883-6

Check Valve

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
169.0 degrees fahrenheit single response
Connection Style
Gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
18 all ends
Maximum Operating Pressure
60.0 pounds per square inch 1st response
Maximum Operating Pressure
60.0 pounds per square inch 2nd response
Thread Size
0.562 inches all ends
Seat Angle
120.0 degrees all ends
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Aluminum alloy body
Material
Aluminum alloy flow control device
Material
Aluminum alloy seat
Media For Which Designed
Air 1st response
Media For Which Designed
Carbon dioxide 2nd response
Media For Which Designed
Fuel/oil, hydrocarbon 3rd response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unf all ends
NSN
4820-00-684-0461
Part Number
MS28883-6
Description
Valve,check
CAGE
96906

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 MS28883-6 NSN 4820-00-684-0461

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
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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