GOST-5927-1970-ENG.pdf
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1、 5927-70 1 Group 33 USSR STATE STANDARD HEXAGON NUTS OF ACCURACY CLASS A Design and Dimensions OKP (All-Union Product Classification Code) 12 8300 GOST 5927-70 (CMEA Standard 3680-82) Date of Introduction 01.01.72 regarding across flats width S = 13 mm 01.01.73 1. This Standard Applies to hexagon nu
2、ts of accuracy class A with thread diameter of 1 to 48 mm. This Standard fully complies with CMEA Standard 3680-82. (Amended Wording, Amendment No. 4). 2. The design and dimensions of nuts shall correspond to those specified in the drawing and in the table. (Amended Wording, Amendment Nos. 3, 4, 6 a
3、nd 7). 3. A thread shall be in accordance with GOST 24705. (Amended Wording, Amendment Nos. 2, 4 and 5). 3a. Tolerances of dimensions, deviations of shape and arrangement of surfaces and the test methods, not established by this Standard, shall be in accordance with GOST 1759.1. 3b. Allowable surfac
4、e defects of nuts and the test methods shall be in accordance with GOST 1759.3. 3a and 3b. (Subsequently Inserted, Amendment No. 5). 4. By agreement between the manufacturer and the customer it is allowed to produce nuts in nominal thread diameter of 36 to 48 mm with a thread pitch of 2 mm. (Amended
5、 wording, Amendment Nos. 2 and 5). 5. Technical requirements shall be in accordance with GOST 1759.0. 6. (Removed, Amendment No. 2). 7. The mass of nuts is specified in Appendix 1. 8. (Removed, Amendment No. 4). Official Edition Reprinting is prohibited 5927-70 2 mm Nominal thread diameter d (1) (1.
6、4) 1.62 2.5 3 (3.5)4 5 6 8 10 12 (14)16 (18)20 (22)24 (27) 303642 48 coarse 0.25 0.30 0.35 0.40 0.450.50.6 0.70.81 1.25 1.5 1.752 2.5 3 3.54 4.5 5 Thread pitch fine 1 1.25 1.5 2 3 Across flats width S 3.2 4 5 5.56 7 8 10 13 16 18 21 24 27 30 34 36 41465565 75 Circumscribed circle diameter , no less
7、than 3.4 4.35.5 6 6.6 7.78.811.1 14.4 17.8 20.0 23.4 26.8 30.1 33.5 37.7 40.0 45.6 51.3 61.3 72.6 83.9 no less than 1.0 1.4 1.62.02.5 3 3.5 4.05.06.0 8.010 12 14 16 18 20 22 24 27 30 36 42 48 da no more than 1.15 1.61 1.84 2.302.9 3.45 4.00 4.60 5.75 6.75 8.75 10.8 13.0 15.1 17.3 19.4 21.6 23.8 25.9
8、 29.2 32.4 38.9 45.40 51.80 dw, no less than 2.90 3.60 4.50 5.00 5.40 6.30 7.20 9.00 11.7 14.6 16.6 19.6 22.5 25.3 28.2 31.7 33.6 38.4 43.1 51.5 61.0 70.5 Height 1.0 1.31.62.0 2.42.8 3.24.75.2 6.88.4 10.8 12.8 14.8 16.4 18.0 19.8 21.5 23.6 25.6 31.0 34.0 38.0 N o t e s : 1. It is not recommended to
9、apply the bracketed dimensions of nuts. 2. It is allowed to produce nuts with dimensions specified in Appendix 2. 3. It is allowed to produce nuts with nominal height of no less than 0.8d and maximum deviations in accordance with GOST 1759.1 provided, that the requirements of GOST 1759.5 are observe
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