Model: 8303-4-4

Tube To Boss Straight Adapter

Properties:

Thread Class
2a 2nd end
Maximum Operating Temp
225.0 degrees fahrenheit single response
End Application
Minehunter coastal
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Socket (tube) 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Unthreaded internal tube 1st end
Thread Size
0.438 inches 2nd end
Union Joint Location
First end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Nominallength
1.250 inches
Material
Stainless steel
Thread Series Designator
Unf 2nd end
NSN
4730-01-493-8431
Part Number
8303-4-4
Description
Adapter,straight,tube To Boss
CAGE
32142

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

Part 8303-4-4 NSN 4730-01-493-8431

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22675
FIIG:
A080B0
Concept No.:
1
App. Key:
A
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

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Schedule B and Export
  • Schedule B: 7307290000
  • SITC: 67956
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Stainless steel tube or pipe fittings nesoi

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