SC5027-4-12A Close Tolerance Screw
5305-01-330-7580
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Official Item Classification
- Name
- Close Tolerance Screw
- Part Number
- SC5027-4-12A
- (NSN) National Stock Number
- 5305-01-330-7580
- (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
- 12/08/1990 (35 years ago)
1.138 inches minimum and 1.168 inches maximum fastener length, 0.403 inches nominal thread length, 3a thread class, right-hand thread direction, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.403 inches nominal
1.138 inches minimum and 1.168 inches maximum
flat countersunk
0.5026 inches minimum and 0.5111 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
offset cruciform (torque set)
0.250 inches
0.740 inches minimum and 0.760 inches maximum
28
129.0 degrees minimum and 131.0 degrees maximum
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
titanium alloy uns r56400 overall
ams 4928 assn std single material response or ams 4967 assn std single material response overall
aluminum overall
nas 4006 assn std 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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