Model: 6-6-520281C

Tube To Boss Elbow

Properties:

Thread Class
2a 2nd end
Thread Class
2b 1st end
End Application
Support equipment, c-17a
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 1st end
Leg Length
1.180 inches 1st end
Leg Length
0.980 inches 2nd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded internal tube 1st end
Thready Qty Per Inch (tpi)
16 1st end
Thready Qty Per Inch (tpi)
18 2nd end
Thread Size
0.562 inches 2nd end
Thread Size
0.687 inches 1st end
Seat Angle
37.0 degrees 1st end
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.687 inches 1st end
Material
Steel
Thread Series Designator
Un 1st end
Thread Series Designator
Unf 2nd end
Specification Data
81343-520281 government specification
NSN
4730-01-436-9430
Part Number
6-6-520281C
Description
Elbow,tube To Boss
CAGE
81343

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and 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 may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part 6-6-520281C NSN 4730-01-436-9430

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22679
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:
ESD:
MMAC:
BA
CRITL:
X

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:
LVL_A:
Q
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 7307929000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes

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