Downloaded from https://www.everyspec.com MIL-STD-81OC 10 March 1975 ENVIRONMENTALTEST METHODS 1. SCOPE 1.1 Purpose. This standard establishesuniform environmentaltest methods for determining the resistance of equipment to the effects of natural and induced environmentspeculiar to military operations. It provides environ- mental test methods in order to obtain, as much as possible, reproducible test results. The test methods described herein are intended to be applied by the contractual documents. 1.2 Application of test methods. Test methods contained in this standard apply tO all items of equipment.
WHEN IT IS KNOWN THAT THE EQUIPMENT WILL ENCOUNTER CONDITIONS MORE SEVERE OR LESS SEVERE THAN THE ENVIRONMENTAL LEVELS STATED HEREIN, THE TEST MAY BE MODIFIED BY THE EQUIPMENT SPECIFICATION. 1.3 Numbering system. The test methods are numbered sequentially as they are introduced into this standard with the first method being number 500. 1.4 Revision of standard. Any general revision of this standard which results in a revision of sections 1, 2, or 3 will be indicated by revision letter after this standard insmber,together with the date of the revision. 1.5 Revision of test methods. AI-Iyrevision of test methods is indicated by a decimal following the method number.
For example, the original number assigned to the first test method is 500; the first revision of that method is 500.1, the second revision is 500.2, etc. 1.6 Method of reference. Test methods contained herein shall be refer- enced by specifying: a. This standard number b. Method number c. Procedure number of required d. Other data as called for in the individual test method. (For example: MIL-sTD-81OC,Method paragraph entitled, Summary.) 500.1, Procedure I including Method 500.1