NATO Stock Number
5305-01-145-6956
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.296 inches and 0.331 inches
Fastener Length
Between 0.468 inches and 0.500 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.153 inches and 0.157 inches
Head Height
Between 0.109 inches and 0.112 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
Between 0.078 inches and 0.079 inches
Thready Qty Per Inch (tpi)
40
Countersink Angle
20.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Material Specification
Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response
Precious Material And Location
Bearing surface and top of head silver
Precious Material
Silver
Surface Treatment
Silver bearing surface of head
Surface Treatment
Silver top of head
Surface Treatment
Passivate
Surface Treatment Specification
Ams 2410 assn standard single treatment response bearing surface of head or qq-s-365 type 1 or type 2 federal specification single treatment response bearing surface of head
Surface Treatment Specification
Ams 2410 assn standard single treatment response top of head or qq-s-365 type 1 or type 2 federal specification single treatment response top of head
Surface Treatment Specification
Qq-p-35 type 1 or type 2 or type 3 federal specification single treatment response
Thread Series Designator
Unc