551 gb/t 6189-1986 紧固件用六角花形 e型 hexagon lobular for fasteners——type e

　　552 gb/t 6190-1986 内六角花形圆柱头螺钉 4.8级 hexagon lobular socket head cap screws——property class 4.8

　　553 gb/t 6191-1986 内六角花形圆柱头螺钉 8.8级 hexagon lobular socket head cap screws——property class 8.8

　　554 gb/t 6333-1986 电力液压块式制动器 the electro-hydraulic double-shoe brakes

　　555 gb/t 6334-1986 直流电磁铁块式制动器 dc-electromagnet double-shoe brakes

　　556 gb/t 6391-1995 滚动轴承 额定动载荷和额定寿命 rolling bearings——dynamic load ratings and rating life

　　557 gb/t 6413-1986 渐开线圆柱齿轮胶合承载能力计算方法 calculation of scuffing load capacity for involute cylindrical gears

　　558 gb/t 6443-1986 渐开线圆柱齿轮图样上应注明的尺寸数据 involute cylindrical gears——information of the dimensional data to be given on the drawing

　　559 gb/t 6445.1-1996 滚动轴承 滚轮滚针轴承 外形尺寸 rolling bearings needle roller bearings——track rollers——boundary dimensions

　　560 gb/t 6445.2-1996 滚动轴承 滚轮滚针轴承 公差 rolling bearings——needle roller bearings-track rollers——tolerances

561 gb/t 6559-1986 自攻锁紧螺钉的螺杆 粗牙普通螺纹系列 screw thread shanks for thread forming screw——metric coarse thread series

　　562 gb/t 6560-1986 十字槽盘头自攻锁紧螺钉 cross recessed pan head thread forming screws

　　563 gb/t 6561-1986 十字槽沉头自攻锁紧螺钉 cross recessed countersunk head thread forming screws

　　564 gb/t 6562-1986 十字槽半沉头自攻锁紧螺钉 cross recessed raised countersunk head thread forming screws

　　565 gb/t 6563-1986 六角头自攻锁紧螺钉 hexagon head thread forming screws

　　566 gb/t 6564-1986 内六角花形圆柱头自攻锁紧螺钉 hexagon lobular socket thread forming screws

　　567 gb/t 6930-1986 滚动轴承词汇 rolling bearings——vocabulary

　　568 gb/t 6931.1-1986 带传动基本术语 drives using belt——basic terminology

　　569 gb/t 6931.2-1986 v 带传动术语 drives using v-belts and grooved pulleys——terminology

　　570 gb/t 6931.3-1986 同步带传动术语 synchronous belt drives——terminology

　　571 gb/t 7217-1987 凸缘外圈向心球轴承 凸缘尺寸 radial ball bearings with flanged outer ring——flange dimensions 572 gb/t 7218-1995 滚动轴承 凸缘外圈微型向心球轴承外形尺寸 rolling bearings——miniature radial ball bearings with flanged outer ring boundary dimensions

　　573 gb/t 7244-1987 重型弹簧垫圈 single coil spring lock washers, heavy type

574 gb/t 7245-1987 鞍形弹簧垫圈 curved single coil spring lock washers

　　575 gb/t 7246-1987 波形弹簧垫圈 wave single coil spring lock washers

　　576 gb/t 7308-1987 滑动轴承薄壁翻边轴瓦尺寸、公差及检验方法 plain bearings——thin-walled flanged half bearings——dimensions, tolerances and methods of checking

　　577 gb/t 7549-1987 球笼式同步万向联轴器型式、基本参数和主要尺寸 synchronizing universal coupling with ball and sacket——type, foundational parameters and main dimensions

　　578 gb/t 7550-1987 球笼式同步万向联轴器试验方法 synchroizing universal coupling with ball and sacket

　　579 gb/t 7559-1987 纤维增强塑料层板螺栓连接挤压强度试验方法 frp laminates-test method for bearing strength by bolted joints

　　580 gb/t 7809-1995 滚动轴承 外球面球轴承座外形尺寸 roliing bearings——housings for insert bearing boundary dimensions

　　581 gb/t 7810-1995 滚动轴承 带座外球面球轴承外形尺寸 rolling bearings——insert bearing units boundary dimensions

　　582 gb/t 7811-1987 滚动轴承参数符号 rolling bearings——symbols for quantities

　　583 gb/t 7948-1987 塑料轴承极限pv试验方法 test method for pv limit of plastics bearings

　　584 gb/t 8259-1987 卡箍式柔性管接头技术条件 specification for flexible coupling of housing

　　585 gb/t 8260-1987 卡箍式柔性环型管接头 flexible coupling of housing for pipe end with rib ring

586 gb/t 8261-1987 卡箍式柔性肩型管接头 flexible coupling of housing for pipe end with shoulder

　　587 gb/t 8262-1987 圆头椭圆颈螺栓 bolts,round head with oval neck

　　588 gb/t 8350-1987 输送链、附件和链轮 conveyor chains, attachments and chain wheels

　　589 gb/t 8542-1987 透平齿轮传动装置技术条件 spcification for turbine gearings

　　590 gb/t 8597-1988 滚动轴承包装 rolling bearings-packaging and packing

　　591 gb/t 9065.1-1988 液压软管接头 连接尺寸 扩口式 hydraulic fluid power——hose connector——connecting dimension (part Ⅰ——flare type)

　　592 gb/t 9065.2-1988 液压软管接头 连接尺寸 卡套式 hydraulic fluid power——hose connector——connecting dimension (part Ⅱ——insert type)

　　593 gb/t 9065.3-1988 液压软管接头 连接尺寸 焊接式或快换式 hydraulic fluid power——hose connector——connecting dimension (part Ⅲ——welding or quick-action type)

　　594 gb/t 9074.1-1988 十字槽盘头螺钉和平垫圈组合件 cross recessed pan head screw and plain washer assemblies

　　595 gb/t 9074.2-1988 十字槽盘头螺钉和外锯齿锁紧垫圈组合件 cross recessed pan head screw and serrated lock washer external teeth assemblies

　　596 gb/t 9074.3-1988 十字槽盘头螺钉和弹簧垫圈组合件 cross recessed pan head screw and single coil spring lock washer assemblies

　　597 gb/t 9074.4-1988 十字槽盘头螺钉, 弹簧垫圈和平垫圈组合件 cross recessed pan head screw,single coil spring lock washer and plain washer assemblies

598 gb/t 9074.5-1988 十字槽小盘头螺钉和平垫圈组合件 cross recessed small pan head screw and small plain washer assemblies

　　599 gb/t 9074.6-1988 十字槽小盘头螺钉和大垫圈组合件 cress recessed small pan head serew and big plain washer assemblies

　　600 gb/t 9074.7-1988 十字槽小盘头螺钉和弹簧垫圈组合件 cross recessed small pan head screw and single coil spring lock washer assemblies