The Albemarle Order book has the following:
Eastin, William, is 63 years old and he served in the revolutionary war. He enlisted in 1776 in Alb. in the company of Capt. Reuben Taylor of Orange County in the Congress regiment commanded by Col. Moses Hayes (?) He served 3 years and 5 months was was discharged 19 March 1780 in Maurice Town, New Jersey. He was in the battle of German Town in the division commanded by Major General Sullivan. He made a declaration in Nov 1818 and his pension certificate is 11742. He lost the fingers of both of his hands. 4 Sept 1820 (1820-1822 Minute Book unpaged) See also 1818-1819 Order Book pg 174 for his declaration on 3 Nov 1818.
There is an Augusta Co. Chancery case (Major Dowell vs. Robert Hansbarger 1835-001 that can be viewed on line at Va. State Library. Both the Eastin and Hays surnames appear in the case (it is 919 pages).
There is no recorded will for William Eastin in Alb. Sarah Eastin (wife of Stephen) left will in 1840s. She was a dau of J. Rothwell (Maupin's Index of Wills-source).