H148-8-86 Close Tolerance Screw
5305-01-059-0228
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Official Item Classification
- Name
- Close Tolerance Screw
- Part Number
- H148-8-86
- (NSN) National Stock Number
- 5305-01-059-0228
- (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
- 04/06/1978 (48 years ago)
6.120 inches minimum and 6.167 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.735 inches minimum and 0.802 inches maximum thread length, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.735 inches minimum and 0.802 inches maximum
6.120 inches minimum and 6.167 inches maximum
flat countersunk
0.950 inches minimum and 1.017 inches maximum
0.4982 inches minimum and 0.4991 inches maximum
high-torque
0.500 inches
5.365 inches minimum and 5.385 inches maximum
20
46.0 rockwell c minimum and 50.0 rockwell c maximum overall
100.0 degrees nominal
32.0 microinches grip
navy special project
steel comp h11 overall
ams 6487 assn std single material response overall
cadmium and chromate overall
mil-c-8837 ty 2 cl 2 mil 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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