WC8137-3-9A Close Tolerance Screw
5305-01-231-7413
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Official Item Classification
- Name
- Close Tolerance Screw
- Part Number
- WC8137-3-9A
- (NSN) National Stock Number
- 5305-01-231-7413
- (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
- 05/03/1986 (40 years ago)
3a thread class, 0.380 inches minimum and 0.447 inches maximum thread length, 0.952 inches minimum and 0.999 inches maximum fastener length, right-hand thread direction, flat countersunk undercut head style
Specs & Compatibility
3a
right-hand
0.380 inches minimum and 0.447 inches maximum
0.952 inches minimum and 0.999 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
0.552 inches minimum and 0.572 inches maximum
32
100.0 degrees nominal
32.0 microinches grip
32.0 microinches threads
cetyl alcohol lubricant and furnish with one o ring
titanium alloy uns r56400 overall
ams4967 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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