5305-00-052-6683
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-052-6683
- (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
- 01/01/1963 (63 years ago)
2a thread class, 1.688 inches minimum and 1.750 inches maximum thread length, right-hand thread direction, flat countersunk head style, 1.750 inches nominal fastener length
Specs & Compatibility
2a
right-hand
1.688 inches minimum and 1.750 inches maximum
1.750 inches nominal
flat countersunk
0.244 inches minimum and 0.279 inches maximum
cross recess type 1
0.138 inches
32
57000 pounds per square inch
80.0 degrees minimum and 82.0 degrees maximum
copper alloy
qq-b-626 fed spec single material response or qq-w-321 fed spec 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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