Probably the most authoritative source would be the Life Cycle Material Manager for optics and binoculars. They manage the NSN from cradle to grave. If I can find a name or email address, I'll send by private message.
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Terry Warner
- 74-????? M151A2
- 70-08876 M38A1
- 53-71233 M100CDN trailer
Beware! The Green Disease walks among us!
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