5305-01-191-0413
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-191-0413
- (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
- 10/05/1984 (42 years ago)
3a thread class, right-hand thread direction, flat countersunk head style, 0.378 inches minimum and 0.428 inches maximum thread length, 0.575 inches minimum and 0.605 inches maximum fastener length
Specs & Compatibility
3a
right-hand
0.378 inches minimum and 0.428 inches maximum
0.575 inches minimum and 0.605 inches maximum
flat countersunk
0.350 inches minimum and 0.399 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
offset cruciform (torque set)
0.250 inches
0.177 inches minimum and 0.197 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
internal drive ribbed
iron alloy 660 overall
ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
cadmium and chromate overall
qq-p-416,ty 2 cl 2 fed spec single treatment response overall
unjf
80205-nas1581 professional/industrial association standard
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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