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AN173-20A
Bolt, Close Tolerance
Part number AN173-20A
NSN 5306-00-182-1768
NIIN 001821768
Item name Bolt, Close Tolerance
Manufacturer Aeronautical Standards Group
CAGE code 88044
FSC 5306 — Bolts
Unit of issue EA
DEMIL code A
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Alternate part numbers AN173-20A CAGE 88044 B6812 CAGE 81349
Technical characteristics
Thread Class 3A
Thread Direction Right-hand
Thread Length 0.406 in min
Fastener Length 2.031 in nominal
Head Style Hexagon
Nominal Thread Diameter 0.190 inches
Grip Length 1.625 in nominal
Thread Qty per Inch 32
Min Tensile Strength 125000 psi
Hardness 26.0-32.0 RC
Material Steel comp 8740/8630/8735/4037/4140/4130
Surface Treatment Cadmium + chromate
Thread Series UNF
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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