Model: 491-2A

Pipe To Tube Elbow

Properties:

Thread Class
2b 1st end
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Plain (pipe) 1st end
Connection Style
Plain (pipe) 2nd end
Leg Length
0.250 inches 1st end
Leg Length
0.580 inches 2nd end
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal tube 1st end
Thready Qty Per Inch (tpi)
28 1st end
Thread Size
0.125 inches 2nd end
Thread Size
0.312 inches 1st end
Seat Angle
42.0 degrees 1st end
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.125 inches 1st end
Material
Copper alloy
Thread Series Designator
Nptf 2nd end
Thread Series Designator
Un 1st end
Specification Data
81343-j512 professional/industrial association standard and 96906-ms51879 government standard
Nondefinitive Specification/std Data
6a figure
NSN
4730-00-277-8641
Part Number
491-2A
Description
Elbow,pipe To Tube
CAGE
88763

A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other 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. It may have side or heel inlet(s). See also elbow, pipe; elbow, tube; and connector, multiple, fluid pressure line.

Part 491-2A NSN 4730-00-277-8641

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03770
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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052185
UFC:
29950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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