This tritium lensatic compass has been used by US troops, foreign militaries, law enforcement, special forces, and outdoor enthusiasts of every variety for decades. Accuracy: Per MIL-PRF-10436N
LSI Product ID: cop-1010-00
AID NSN: 6605-01-196-6971
AID Milspec: MIL PRF 10436N
AID Model: 3H
Built to specification MIL-PRF-10436N, the Tritium 3H has been extensively battle tested through rigorous shock, water, sand, and temperature extremes.