SCOPE AND CLASSESThis specification defines the requirements for alloy steel externallythreaded fasteners procured under part numbers listed on drawings whichrefer to this specification.Typically these fasteners are used fortension, shear, and tension-fatigue application where 180 KSI Ftu and108 KSI Fsu is desired with a service temperature capability to 450degrees F.Receiving contractors may reject any manufacturing lot whichdoes not conform.The specification includes mechanical property requirements for twoclasses of fasteners as follows: Type I - Tension head (hex, double hex, 12 spline, etc. without aninternal or recess drive) and studs. Type II - 100 degrees full flush head and internal wrenching (pan,fillister, brazier, etc.) head configuration.Workmanship of fasteners shall conform with aircraft fastenermanufacturing processes.Recommendations for improvements or corrections to this specificationshould be directed to an NASC representative of a using company or tothe Executive Secretary of the National Aerospace Standards Committee.Specifications listed herein, of the issue in effect on date of inquiry,are a part of this specification to the extent indicated.In the caseof conflict, the requirements herein shall take precedence.Unless otherwise specified, part inventory manufactured to MIL-B-8831 orprevious revisions of the applicable drawing or specification may beprocured and used until stock is depleted.
- Edition:
- 2
- Published:
- 08/01/2001
- Number of Pages:
- 21
- File Size:
- 1 file , 1.5 MB
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