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Worldwide distributor of NSN parts and consumables located in the USA.

Reduced Head Bolt NAS1993-3T

Description:

Length: 0.526", thread: 10-32, reduced head bolt, 100° , flat head, torq-set recess, alloy steel

NAS1993-3T Details

National Stock Number (NSN) 5305-01-209-7204
Alternate Part Number N/A
Federal Supply Class (FSC) 5305
Unit of Measure (UOM) 100 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length Between 0.313 inches and 0.363 inches
Fastener Length Between 0.511 inches and 0.541 inches
Head Style Flat countersunk
Head Diameter Between 0.2516 inches and 0.3047 inches
Grip Diameter Between 0.1885 inches and 0.1895 inches
Internal Drive Style Offset cruciform (torque set)
Thread Diameter 0.190 inches
Grip Length Between 0.178 inches and 0.198 inches
Thready Qty Per Inch (tpi) 32
Hardness Rating 39.0 rockwell c and 43.0 rockwell c
Countersink Angle Between 99.0 degrees and 101.0 degrees
Surface Finish 32.0 microinches grip
Surface Finish 32.0 microinches threads
Material Steel comp 4140 or steel comp e4340 or steel comp 8740
Material Specification Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 cl 2 federal specification single treatment response
Thread Series Designator Unjf
Specification Data 80205-nas1993 professional/industrial association standard

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