CBS813-04-R6 Machine Screw
5305-00-159-9593
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Official Item Classification
- Name
- Machine Screw
- Part Number
- CBS813-04-R6
- (NSN) National Stock Number
- 5305-00-159-9593
- (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
- 01/26/1973 (53 years ago)
flat countersunk head style, right-hand thread direction, 3a thread class, 0.344 inches minimum and 0.375 inches maximum fastener length, 0.245 inches minimum and 0.326 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.245 inches minimum and 0.326 inches maximum
0.344 inches minimum and 0.375 inches maximum
flat countersunk
0.191 inches minimum and 0.225 inches maximum
cross recess type 1
0.112 inches
40
99.0 degrees minimum and 101.0 degrees maximum
iron alloy 660
ams 5737 assn std single material response
unc
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.
0006657
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