Model: 83661-8

Tube To Boss Straight Adapter

Properties:

Thread Class
2a 1st end
Thread Class
3a 2nd end
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Gasket seal (tube) 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 1st end
Maximum Operating Pressure
170.0 pounds per square inch single response
Thread Size
0.750 inches 2nd end
Thread Size
0.937 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Nominallength
1.011 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/8 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type ii color gray military specification single treatment response
Thread Series Designator
Un 1st end
Thread Series Designator
Unf 2nd end
NSN
4730-01-396-5196
Part Number
83661-8
Description
Adapter,straight,tube To Boss
CAGE
79326

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 83661-8 NSN 4730-01-396-5196

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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051420
UFC:
29090
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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