5305-00-004-1689
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-004-1689
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 06657
- (FIIG) Federal Item Identification Guide
- A500D0
- Date
- 05/27/1972 (54 years ago)
0.368 inches minimum and 0.514 inches maximum thread length, 0.766 inches minimum and 0.811 inches maximum fastener length, right-hand thread direction, flat countersunk undercut head style, 3a thread class
Specs & Compatibility
3a
right-hand
0.368 inches minimum and 0.514 inches maximum
0.766 inches minimum and 0.811 inches maximum
flat countersunk undercut
0.648 inches minimum and 0.666 inches maximum
0.097 inches nominal
cross recess type 1
0.250 inches
28
160000 pounds per square inch
100.0 degrees nominal
steel comp 4037
qq-s-624 fed spec single material response
cadmium
qq-p-416,ty 1,cl 3 fed spec single treatment response
head undercut for o-ring and polytetrafluoroethylene washer
unf
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0006657
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| AB904H5 | Machine Screw |