Model: AS4303

Tube To Boss Elbow

Special Features:

Machined groove in flared end to accommodate seal ring per kc103

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Connection Style
Flared (tube) 2nd end
Connection Style
Plain (tube) 1st end
Leg Length
1.016 inches 1st end
Leg Length
0.859 inches 2nd end
Connection Type
Threaded external boss 1st end
Connection Type
Threaded external tube 2nd end
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 1st end
Seat Angle
37.0 degrees 2nd end
Flow Angle
90.0 degrees
Seat Radius
0.62 inches 2nd end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Material
Steel comp 316
Material Specification
Qq-s-763, cond a federal specification single material response
Surface Treatment
Passivate outside
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
NSN
4730-00-569-5494
Part Number
AS4303
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 AS4303 NSN 4730-00-569-5494

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:
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:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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