5305-01-129-6939
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-129-6939
- (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
- 04/09/1982 (44 years ago)
flat countersunk head style, 0.400 inches minimum and 0.450 inches maximum thread length, right-hand thread direction, 0.722 inches minimum and 0.752 inches maximum fastener length, 3a thread class
Specs & Compatibility
3a
right-hand
0.400 inches minimum and 0.450 inches maximum
0.722 inches minimum and 0.752 inches maximum
flat countersunk
0.464 inches minimum and 0.506 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
high-torque
0.250 inches
0.302 inches minimum and 0.322 inches maximum
28
180000 pounds per square inch
39.0 rockwell c minimum and 43.0 rockwell c maximum overall
99.0 degrees minimum and 101.0 degrees maximum
32.0 microinches grip
32.0 microinches threads
steel comp 8740 overall
mil-s-6049 mil spec single material response overall
aluminum and chromate overall
mil-c-83488 type 2 class 3 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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