5305-01-031-3684
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-031-3684
- (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
- 11/22/1976 (49 years ago)
3a thread class, 0.401 inches minimum and 0.451 inches maximum thread length, flat countersunk head style, 0.723 inches minimum and 0.753 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.401 inches minimum and 0.451 inches maximum
0.723 inches minimum and 0.753 inches maximum
flat countersunk
0.461 inches minimum and 0.507 inches maximum
cross recess type 1
0.250 inches
28
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
iron alloy 660
ams5731 assn std single material response or ams5732 assn std single material response or ams5737 assn std single material response
passivate
qq-p-35 fed spec single treatment response
unjf
80205-nas1221 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.
0006657
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