Aeronautical Standard Boss Elbow

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tube outer diameter: 1/4", thread: 7/16-20, 90 degree, internal thread, all female aluminum

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AN939D4 AN939D4
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AN939D4 Price: $23.95 Each
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AN939D4 Features and Specification

Surface Treatment Specification:
Mil-a-8625 military specification single treatment response outside
Surface Treatment Specification:
Mil-a-8625 military specification single treatment response inside
Surface Treatment:
Aluminum alloy
Special Features:
End item: grumman a10 aircraft
Leg Length:
0.742 inches all ends and 0.758 inches all ends
Flow Angle:
90.0 degrees
Connection Style:
Gasket seal (boss) all ends
Connection Type:
Threaded internal boss all ends
Thread Class:
3b all ends
Thread Qty Per Inch (tpi):
20 all ends
Thread Series Designator:
Unjf (fine thread with external controlled root radius) all ends
Thread Size:
0.438 inches all ends

Additional Information

SKU / Model: AN939D4
Minimum Qty (MOQ): 1
NSN: 4730-00-278-3682
FSC: Hose, Pipe, Tube, Lubrication, and Railing Fittings / 4730
ECCN: 9A991
National Motor Freight: 051400, Pipe Fittings Aluminum
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Frequently bought together

Customers frequently bought these along with AN939D4

Lock Washer

in Washers

fits diameter: #8, split lock, corrosion resistant, stainless steel, MS35338 series washer

Machine Screw

in Screws

length: 5/8, thread: 8-32, pan head, cadmium plated carbon steel, coarse thread, MS35206 series screw


in O-Rings

outer diameter: 1/4", preformed packing, straight thread tube, MS28778 series o-ring

Screw Thread Insert

in Inserts

unplated, fine thread, MS1246 series insert

Socket Head Cap Screw

in Screws

length: 5/8", thread: 8-32, socket head, corrosion resistant steel, passivated, coarse, NAS1352 series screw

Straight Tube To Boss Adapter

in Fittings

outer diameter: 1/4, thread: 7/16-20, flared tube, 3/8 bulkhead and universal, aluminum, AN832 series fitting

More AN939D boss elbows


$33.95 Each, Tube outer diameter: 1/2in., thread: 3/4-16, internal thread all female aluminium

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