5305-01-278-3789
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-278-3789
- (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
- 05/04/1988 (38 years ago)
0.319 inches minimum and 0.431 inches maximum thread length, 3a thread class, fillister countersunk head style, 2.079 inches minimum and 2.109 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.319 inches minimum and 0.431 inches maximum
2.079 inches minimum and 2.109 inches maximum
fillister countersunk
0.297 inches minimum and 0.302 inches maximum
0.013 inches nominal
0.1890 inches minimum and 0.1895 inches maximum
high-torque
0.190 inches
1.678 inches minimum and 1.698 inches maximum
cetyl alcohol lubricant
32
125000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
screw supplied with min. of 40 percent of non-bearing head surface coated with white paint color no. 37875 per fed-std-595
steel comp xm-13 overall
ams 5629 assn std single material response overall
passivate overall
qq-p-35 fed spec single treatment response overall
unjf
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.
0029294
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