5305-01-133-3879
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-133-3879
- (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
- 06/13/1982 (44 years ago)
3a thread class, 0.351 inches minimum and 0.418 inches maximum thread length, flat countersunk head style, 0.986 inches minimum and 1.033 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.351 inches minimum and 0.418 inches maximum
0.986 inches minimum and 1.033 inches maximum
flat countersunk
0.447 inches minimum and 0.507 inches maximum
0.2483 inches minimum and 0.2492 inches maximum
0.071 inches minimum and 0.081 inches maximum first hole
high-torque
0.250 inches
0.615 inches minimum and 0.635 inches maximum
28
260000 pounds per square inch
51.0 rockwell c minimum and 54.0 rockwell c maximum overall
99.0 degrees minimum and 101.0 degrees maximum
0.818 inches minimum and 0.850 inches maximum first hole
steel comp h11 overall
ams 6487 assn std single material response overall
cadmium and chromate overall
mil-c-8837 type 2 class 2 mil spec single treatment response overall
unjf
Regulatory Compliance
Item does not contain precious metal.
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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