NATO Stock Number
5305-01-654-4932
Sold in multiples of
1 EA
DEMIL
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.610 inches
Fastener Length
Between 0.718 inches and 0.750 inches
Head Style
Pan
Head Diameter
Between 0.357 inches and 0.373 inches
Head Height
Between 0.122 inches and 0.132 inches
Washer Quantity
2
Internal Drive Style
Cross recess type ii
End Application
B-52
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Secondary Washer Relationship To Primary Washer
Not identical
Secondary Washer Style
Split helical ring
Primary Washer Outside Diameter
Between 0.338 inches and 0.348 inches
Secondary Washer Outside Diameter
0.337 inches
Primary Washer Style
Flat
Primary Washer Material Thickness
Between 0.029 inches and 0.035 inches
Part Name Assigned By Controlling Agency
Screw, pan head, assembled washers
Material
Steel comp 302 or steel comp 304 or steel comp 384 primary washer
Material
Steel comp 302 or steel comp 304 fastener
Material Specification
Ams-qq-s-763 national std/spec all material responses fastener
Material Specification
Ams5516, ams5903, ams5904, ams5905 or ams5906 assn standard 1st material response or ams5513, ams5910, ams5911, ams5912, or ams5913 assn standard 2nd material response or astm a 493 assn standard 3rd material response primary washer
Surface Treatment
Passivate
Surface Treatment Specification
Ams2700, method 1, class 4 national standard single treatment response
Thread Series Designator
Unf
Specification Data
80205-nas1301 professional/industrial association standard
