5305-00-263-8708
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-00-263-8708
- (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
- 07/15/1973 (53 years ago)
1.285 inches minimum and 1.331 inches maximum fastener length, 0.400 inches minimum and 0.466 inches maximum thread length, right-hand thread direction, flat countersunk head style, 3a thread class
Specs & Compatibility
3a
right-hand
0.400 inches minimum and 0.466 inches maximum
1.285 inches minimum and 1.331 inches maximum
flat countersunk
0.452 inches minimum and 0.510 inches maximum
0.2490 inches minimum and 0.2495 inches maximum
offset cruciform (torque set)
0.250 inches
0.865 inches minimum and 0.885 inches maximum
28
99.0 degrees minimum and 101.0 degrees maximum
16.0 microinches threads
63.0 microinches grip
titanium alloy overall
nas 621,6al-4v assn std 1st material response or ams 4928 assn std 2nd material response overall
unf
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.
0029294
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