Model: K670755-15

Boss Reducer

Properties:

Thread Class
3a 2nd end
Thread Class
3b 1st end
Reducer Type
Concentric
End Application
Sh-2
Connection Style
Compression (tube) 2nd end
Connection Style
Gasket seal (boss) 1st end
Flange Shape
Hexagon 1st end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal tube 1st end
Thready Qty Per Inch (tpi)
18 2nd end
Thready Qty Per Inch (tpi)
20 1st end
Thread Size
0.500 inches 1st end
Thread Size
0.562 inches 2nd end
Outside Diameter Tube Accommodated
0.312 inches 1st end
Outside Diameter Tube Accommodated
0.375 inches 2nd end
Nominallength
1.124 inches
Part Name Assigned By Controlling Agency
Reducer
Material
Aluminum alloy
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 type ii class 2 and be duplex sealed military specification single treatment response
Thread Series Designator
Unjf 2nd end
Thread Series Designator
Unjf 1st end
Fsc Application Data
Nha k671650
NSN
4730-01-508-4646
Part Number
K670755-15
Description
Reducer,boss
CAGE

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

Part K670755-15 NSN 4730-01-508-4646

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
23541
FIIG:
A080B0
Concept No.:
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: 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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