My Snap-On truck guy told me the same thing back in the late 1970's when I tried to get a broken socket replaced- - - - -"M" or "V" in the part number designated military issue. No warranty! I had bought a whole set of ratchets, sockets, and extensions at a "surplus" sales business on Okinawa- - - - -probably liberated from a supply depot somewhere!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!