5305-01-042-6317
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-042-6317
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 29294
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 06/14/1977 (49 years ago)
1.511 inches minimum and 1.558 inches maximum fastener length, 3a thread class, right-hand thread direction, flat countersunk head style, 0.313 inches minimum and 0.380 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.313 inches minimum and 0.380 inches maximum
1.511 inches minimum and 1.558 inches maximum
flat countersunk
0.350 inches minimum and 0.381 inches maximum
0.1885 inches minimum and 0.1895 inches maximum
0.070 inches minimum and 0.080 inches maximum first hole
high-torque
0.190 inches
1.178 inches minimum and 1.198 inches maximum
32
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
100.0 degrees nominal
0.153 inches minimum and 0.173 inches maximum first hole
32.0 microinches grip
32.0 microinches threads
steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
cadmium and chromate overall
qq-p-416,type 2,class 3 fed spec single treatment response overall
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.
0029294
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