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NEF SCREW THREAD [1 record]
Record 1 - internal organization data 2005-10-26
Record 1, English
Record 1, Subject field(s)
- Joining Elements (Mechanical Components)
Record 1, Main entry term, English
- National extrafine thread
1, record 1, English, National%20extrafine%20thread
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- National extra-fine thread 2, record 1, English, National%20extra%2Dfine%20thread
correct
- National Extra Fine screw thread 3, record 1, English, National%20Extra%20Fine%20screw%20thread
- NEF screw thread 3, record 1, English, NEF%20screw%20thread
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Unified and American National screw thread standards for screws, bolts, nuts, and other threaded parts consist of six series of threads and a selection of special threads that cover nonstandard combinations of diameter and pitch. In general, the unified screw threads are limited to three series: coarse (UNC), fine (UNF), and extrafine (UNEF). A 1/4-inch-diameter thread in the UNC series has 20 threads/in., while in the UNF it has 28 ... The extrafine thread series (UNEF and NEF) is used principally in aeronautical structures where an extremely shallow thread is needed for thin-walled material and where a maximum practicable number of threads is required for a given length. 1, record 1, English, - National%20extrafine%20thread
Record 1, French
Record 1, Domaine(s)
- Éléments d'assemblage (Composants mécaniques)
Record 1, Main entry term, French
- filetage à pas extra-fin NEF
1, record 1, French, filetage%20%C3%A0%20pas%20extra%2Dfin%20NEF
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- filetage NEF 2, record 1, French, filetage%20NEF
correct, masculine noun
- filetage à pas extrafin NEF 3, record 1, French, filetage%20%C3%A0%20pas%20extrafin%20NEF
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Série à filets surfins. Largement utilisée dans l'assemblage d'équipement et d'instruments en aéronautique pour le taraudage de pièces minces, de tubes, de viroles, de brides et de plateaux d'accouplement, de douilles, etc, et lorsqu'il importe d'avoir un nombre maximal de filets sur une longueur requise. 4, record 1, French, - filetage%20%C3%A0%20pas%20extra%2Dfin%20NEF
Record number: 1, Textual support number: 2 OBS
«UNEF» = Unified extra-fine thread («pas extra-fin»). 5, record 1, French, - filetage%20%C3%A0%20pas%20extra%2Dfin%20NEF
Record number: 1, Textual support number: 3 OBS
extrafin : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004). 3, record 1, French, - filetage%20%C3%A0%20pas%20extra%2Dfin%20NEF
Record 1, Spanish
Record 1, Textual support, Spanish
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