{
 "std": "ГОСТ 13943-86",
 "name": "Кольца пружинные упорные плоские внутренние эксцентрические и канавки для них. Конструкция и размеры",
 "name_en": "Retaining spring flat eccentric rings for bores and grooves for them. Dimensions",
 "status": "действует, ограничений применения в России нет (карточка Росстандарта)",
 "status_src": "https://protect.gost.ru/gost/details/4241ceed-33c4-423c-8de6-908c8cb0db78",
 "intro": "01.01.1988",
 "replaces": "ГОСТ 13943-68",
 "approved": "Постановление Госстандарта СССР от 20.12.1986 № 4447",
 "amendments": [
  "Изменение № 1, ИУС 11-1988 (учтено в издании)"
 ],
 "edition": "переиздание, сентябрь 1988 г., с Изменением № 1, Издательство стандартов",
 "oks": "21.160",
 "okp": "45 9830",
 "tech_req": "ГОСТ 13944-86",
 "units": "мм, F_kN: допускаемая осевая нагрузка, кН, mass_1000_kg: теоретическая масса 1000 стальных колец, кг (справочное приложение), null: размера нет",
 "columns": [
  "d",
  "d2",
  "d2_tol",
  "d3_approx",
  "d4",
  "s",
  "b_approx",
  "a_max",
  "l_approx",
  "r2_max",
  "r1_approx",
  "D_max",
  "e_ref",
  "d1",
  "d1_tol",
  "m_H13",
  "h_min",
  "F_kN",
  "mass_1000_kg"
 ],
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 ],
 "notes": [
  "Размеры d₃, b, l и r₁ допускается корректировать при изготовлении колец.",
  "В изделиях, спроектированных до 01.01.88, допускается применять кольца с размером a больше, чем в таблице, если это не влияет на собираемость изделия.",
  "Осевая нагрузка определена для таких условий: рабочие кромки кольца острые, углы у основания и наружная кромка канавки без скругления или фаски, закрепляемая деталь установлена в отверстии без зазора, прилегающая к кольцу поверхность детали без скругления или фаски, предел прочности материала отверстия не менее 300 Н/мм².",
  "Размер e (эксцентриситет) дан для справок."
 ],
 "source": "КРЕПИОН, krepion.ru, по официальному изданию стандарта",
 "url": "https://krepion.ru/gost/13943-86"
}