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AN837-4

Elbow, Tube

Part number
AN837-4
NSN
4730-00-277-6177
NIIN
00-277-6177
Item name
Elbow, Tube
Manufacturer
Aeronautical Standards Group
CAGE code
88044
FSC
4730
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3A 1ST end bulkhead
Thread Class
3A all ends
End Item Identification
Aircraft application
Connection Style
Flared (tube) all ends
Leg Length
1.531 inches nominal 1ST end
Leg Length
0.703 inches nominal 2ND end
Connection Type
Threaded external tube all ends
Nominal Thread Size
0.438 inches all ends
Nominal Thread Size
0.438 inches 1ST end bulkhead
Seat Angle
37.0 degrees all ends
Flow Angle
45.0 degrees
Nominal Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Steel comp 304 overall
Material Document and Classification
66 fed std single material response overall
Surface Treatment
Passivate inside
Surface Treatment
Passivate outside
Surface Treatment Document and Classification
MIL-F-14072, E300, TY2 mil spec single treatment response outside
Surface Treatment Document and Classification
MIL-S-5002 mil spec single treatment response inside
Thread Series Designator
Unjf 1ST end bulkhead
Thread Series Designator
Unjf all ends
Specification/Standard Data
88044-AN837 government standard
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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