5305-01-409-0643
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-409-0643
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 29294
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 03/03/1995 (31 years ago)
3a thread class, flat countersunk head style, 1.675 inches nominal fastener length, 0.363 inches nominal thread length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.363 inches nominal
1.675 inches nominal
flat countersunk
0.339 inches minimum and 0.381 inches maximum
0.1885 inches minimum and 0.1895 inches maximum
cross recess type 1
pacer dawn
0.190 inches
1.312 inches nominal
32
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
iron alloy 660 overall
ams5731 assn std single material response or ams5732 assn std single material response or ams5737 assn std single material response overall
passivate overall
qq-p-35 fed spec single treatment response overall
unjf
80205-nas1580 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.
XZZ
0029294
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