5305-01-643-4344
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-643-4344
- (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
- 04/01/2015 (11 years ago)
2a thread class, right-hand thread direction, 0.437 inches nominal fastener length, flat countersunk head style, 0.388 inches nominal thread length
Specs & Compatibility
2a
right-hand
0.388 inches nominal
0.437 inches nominal
flat countersunk
0.191 inches minimum and 0.225 inches maximum
cross recess type 1
7-610000000
0.112 inches
48
99.0 degrees minimum and 101.0 degrees maximum
screw machine, flat countersunk head
steel corrosion resisting
oxide
black
unf
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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