Here are the only organizations with his name attached:

Nicholas Kern

Residence Botetourt County VA; 22 years old.
Enlisted on 6/18/1861 at White Sulphur Springs, WV as a Private.
On 6/18/1861 he mustered into "K" Co. VA 60th Infantry
(date and method of discharge not given)
(Never joined Regmt)
Other Information:
born 8/8/1838 in Botetourt County, VA
died 8/28/1929 in Botetourt County, VA
After the War he lived in Botetourt County, VA
Sources used by Historical Data Systems, Inc.:

- The Virginia Regimental Histories Series
- Photo courtesy of Lee Kern
- Research by Lee Kern

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Nicholas Kern, Private, Company K, 60th Regiment Virginia Infantry, enlisted June 18, 1861 for 12 months, recorded in January, 1862 as having never mustered into service, no other records

The 60th Regiment Virginia Infantry (also known as the 3rd Regiment Infantry, Wise Brigade) was organized August 13, 1861.

…………………

N. H. Kern, age 25, Private, Company B, 1st Nitre Battalion Volunteers, mustered-in November 14, 1863 at Jackson, Va. by Lt. R. C. Morton for the war, having traveled 15 miles to rendezvous, no other records

Note: There are no other muster rolls for Company B other than the Muster-In roll

The 7th Battalion Virginia Infantry, Local Defense Troops (also known as the 1st Nitre Battalion), was organized in November, 1863 with three companies, A to C, from men detailed in the Nitre and Mining Bureau

M324: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Virginia