5305-00-172-4181
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-172-4181
- (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
- 09/01/1972 (54 years ago)
right-hand thread direction, 2.156 inches minimum and 2.250 inches maximum fastener length, flat countersunk head style, 1.750 inches minimum thread length, 2a thread class
Specs & Compatibility
2a
right-hand
1.750 inches minimum
2.156 inches minimum and 2.250 inches maximum
flat countersunk
0.442 inches minimum and 0.507 inches maximum
cross recess type 1
0.250 inches
28
80000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
steel corrosion resisting
qq-s-763,300 series fed spec single material response or 66,300 series fed std single material response or comp 16-18 or 18-8 assn std single material response
passivate
qq-p-35 fed spec single treatment response
unf
3 type and 3c style
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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