5305-01-066-6750
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-066-6750
- (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
- 10/16/1978 (48 years ago)
0.763 inches minimum and 0.793 inches maximum fastener length, 0.378 inches minimum and 0.428 inches maximum thread length, right-hand thread direction, 3a thread class, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.378 inches minimum and 0.428 inches maximum
0.763 inches minimum and 0.793 inches maximum
flat countersunk
0.464 inches minimum and 0.506 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
offset cruciform (torque set)
0.250 inches
0.365 inches minimum and 0.385 inches maximum
28
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
99.0 degrees minimum and 101.0 degrees maximum
32.0 microinches grip
32.0 microinches threads
steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
cadmium and chromate overall
qq-p-416 type 2 class 2 fed spec single treatment response overall
unjf
80205-nas1580 professional/industrial association standard
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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