Model: AN921-12D

Tube Elbow

Properties:

Thread Class
3a 1st end bulkhead
Thread Class
3a all ends
End Application
Boeing vertol cargo transport helicopter model ch-47 and f-18 aircraft
Connection Style
Flared (tube) all ends
Leg Length
1.756 inches 2nd end and 1.759 inches 2nd end
Leg Length
2.656 inches 1st end and 2.659 inches 1st end
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
12 1st end bulkhead
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.062 inches 1st end bulkhead
Thread Size
1.062 inches all ends
Seat Angle
37.0 degrees all ends
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.750 inches all ends
Material
Aluminum alloy
Surface Treatment
Anodize
Thread Series Designator
Unj 1st end bulkhead
Thread Series Designator
Unj all ends
Specification Data
88044-an833 government standard
NSN
4730-00-197-2919
Part Number
AN921-12D
Description
Elbow,tube
CAGE
88044

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have 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 and connector, multiple, fluid pressure line.

Part AN921-12D NSN 4730-00-197-2919

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03771
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 0.0 X 0.0
Paclk Weight:
2,300.0000lbs
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:
051400
UFC:
29700
LTL:
77.5
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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