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This standard is only applicable to bite type partition tube fittings.
Others
Example of designation:
Hexagon thin nut with the thread diameter d of 52 mm and the pitch of 2 mm is designated as:
Nut M52×2 GB 3763-83
?
mm
Note: The mass is the calculated value and the specific gravity is 7.85 kg/dm3.
The technical conditions shall meet the requirements of GB 3765-83.
中華人民共和國國家標準
UDC 621.643.4:621.882/.887
GB 3763—83
卡套式管接頭用六角薄螺母
Bite type tube fittings—Hexagon thin nuts
國家標準局1983-06-17發布 1984-04-01實施
本標準僅適用于卡套式隔壁管接頭。
其余
標記示例:
螺紋直徑d52mm,螺距2mm的六角薄螺母:
螺母 M52×2 GB 3763—83
mm
d s2 e2 m 重量(kg/100件)
公稱尺寸 極限偏差 公稱尺寸 極限偏差
注:重量系計算值,比重為7.85kg/dm3。
技術條件按GB 3765—83的規定。
附加說明:
本標準由中華人民共和國機械工業部提出,由機械工業部標準化研究所歸口。