WC8137-3-4AM Close Tolerance Screw
5305-01-308-0170
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Official Item Classification
- Name
- Close Tolerance Screw
- Part Number
- WC8137-3-4AM
- (NSN) National Stock Number
- 5305-01-308-0170
- (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
- 09/21/1989 (36 years ago)
flat countersunk undercut head style, 0.380 inches minimum and 0.447 inches maximum thread length, 3a thread class, 0.640 inches minimum and 0.687 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.380 inches minimum and 0.447 inches maximum
0.640 inches minimum and 0.687 inches maximum
flat countersunk undercut
0.376 inches minimum and 0.381 inches maximum
0.044 inches minimum and 0.046 inches maximum
0.1890 inches minimum and 0.1895 inches maximum
high-torque
0.190 inches
0.240 inches minimum and 0.260 inches maximum
o ring and dry film lubricant and cetyl alcohol lubricant
32
100.0 degrees nominal
32.0 microinches grip
32.0 microinches threads
titanium alloy uns r56400 overall
ams 4967 assn std single material 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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