NOS parts
The abbreviation NOS ( NOS parts or NOS parts ) stands for N ever O ut of S tock, which means “always available” or “item always in stock”.
As a term from merchandise management (NOS goods, NOS goods in stock), the designation is mainly used in communication between manufacturers and wholesalers (" NOS list ", " NOS catalog ") in order to quickly classify the storage / availability of the article to enable.
The abbreviation (not the definition of terms) is increasingly being used in online shops and online auctions as additional information in the description, without considering that the abbreviation is ambiguous and the other meaning with regard to the product properties has a completely different, sometimes opposite, meaning.
Confusion of the term
Is easily confused with the identical acronym NOS ( N ew O ld S tock ), which means "new old stock". Due to the similarity of the abbreviations, misunderstandings about age and shelf life (traces of aging) are possible, especially with regard to the product names in online shops.