5305-01-351-8720
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-351-8720
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 06657
- (FIIG) Federal Item Identification Guide
- A500D0
- Date
- 01/16/1992 (34 years ago)
0.475 inches nominal thread length, 3a thread class, right-hand thread direction, 0.849 inches minimum and 0.879 inches maximum fastener length, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.475 inches nominal
0.849 inches minimum and 0.879 inches maximum
flat countersunk
0.461 inches minimum and 0.507 inches maximum
torque-set ribbed
0.250 inches
28
99.0 degrees minimum and 101.0 degrees maximum
steel comp 4140 or steel comp 4340 or steel comp 8740
cadmium
qq-p-416 ty1 cl3 fed spec single treatment response
unjf
80205-nas1221 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.
0006657
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