N-VISION OPTICS NIGHT VISION PURGE KIT

N-Vision Opitcs Purge Kit is equivalent to NSN 5855-01-442-8781 (p/n 268549).The Purge Kit is a portable and efficient kit used to evacuate air from the night vision device and backfill the system with dry nitrogen. The purge kit operates via an easy-to-operate manual vacuum pump requiring no electricity.