1) General subject: belongings, fitting, hardware, in-betweens and outs, minutiae, minutiaes, niceties, nicety, specialities, specialty, specification, specifics, the ins and (the) outs, twists and turns, particularities
2) Engineering: materials (для обработки), parts group
3) Law: particulars
4) Diplomatic term: specialties
5) Psychology: circumstances
6) Jargon: ins and outs
7) Oil: technicals
8) Business: fittings
9) Drilling: accessories
10) Oilfield: components, parts
11) American English: conditions (in a legal or contractual sense.)
12) EBRD: details (договора или соглашения), fine print (договора или соглашения)
13) Polymers: pieces
14) Quality control: speciality
15) Arms production: receiver group
16) Makarov: components (части фи. целого), details (части изображения, чертежа), members (части фи. целого), parts (части фи. целого), pieces (части фи. целого)
17) Microsoft: detail data
Универсальный русско-английский словарь. Академик.ру. 2011.