现行

FED FED-STD-H28/13A

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 13, STUB ACME THREADS (SUPERSEDING FED-STD-H28/13)
联邦服务的螺纹标准 第13节 短梯形螺纹（取代FED-STD-H28/13）

1989-02-17

现行

FED FED-STD-H28/13A

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 13, STUB ACME THREADS (SUPERSEDING FED-STD-H28/13)
联邦服务的螺纹标准 第13节 短梯形螺纹（取代FED-STD-H28/13）

1989-02-17

现行

FED FED-STD-H28/1B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 1 NOMENCLATURE, DEFINITIONS AND LETTER SYMBOLS FOR SCREW THREADS
联邦服务的螺纹标准第1节螺纹的术语、定义和字母符号

2020-04-21

现行

FED FED-STD-H28/23

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 23 CLASS 5 INTERFERENCE-FIT SCREW THREADS
联邦服务的螺纹标准第23节5级过盈配合螺纹

1989-01-20

现行

FED FED-STD-H28/23

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 23 CLASS 5 INTERFERENCE-FIT SCREW THREADS
联邦服务的螺纹标准第23节5级过盈配合螺纹

1989-01-20

现行

FED FED-STD-H28/1B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 1 NOMENCLATURE, DEFINITIONS AND LETTER SYMBOLS FOR SCREW THREADS
联邦服务的螺纹标准第1节螺纹的术语、定义和字母符号

2020-04-21

现行

FED FED-STD-H28/4

SCREW THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 4, CONTROLLED RADIUS ROOT SCREW THREADS, UNJ SYMBOL
联邦服务的螺纹标准 第4节 受控半径根螺纹 UNJ符号

1978-03-31

现行

FED FED-STD-H28/4

SCREW THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 4, CONTROLLED RADIUS ROOT SCREW THREADS, UNJ SYMBOL
联邦服务的螺纹标准 第4节 受控半径根螺纹 UNJ符号

1978-03-31

现行

FED FED-STD-H28/21B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 21 METRIC SCREW-THREADS (SUPERSEDING FED-STD-H28/21A)
联邦服务螺纹标准第21节公制螺纹（取代FED-STD-H28/21A）

1984-11-28

现行

FED FED-STD-H28/21B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 21 METRIC SCREW-THREADS (SUPERSEDING FED-STD-H28/21A)
联邦服务螺纹标准第21节公制螺纹（取代FED-STD-H28/21A）

1984-11-28

现行

FED FED-STD-H28/19A

SCREW THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 19, MISCELLANEOUS THREADS (SUPERSEDING FED-STD-H28/19)
联邦服务的螺纹标准 第19节 其他螺纹（取代FED-STD-H28/19）

1988-02-18

现行

FED FED-STD-H28/19A

SCREW THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 19, MISCELLANEOUS THREADS (SUPERSEDING FED-STD-H28/19)
联邦服务的螺纹标准 第19节 其他螺纹（取代FED-STD-H28/19）

1988-02-18

现行

FED FED-STD-H28/20B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
联邦服务螺纹标准第20节UN、UNR、UNJ、M和MJ螺纹可接受性检验方法

1994-03-10

现行

FED FED-STD-H28/20B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
联邦服务螺纹标准第20节UN、UNR、UNJ、M和MJ螺纹可接受性检验方法

1994-03-10

现行

FED FED-STD-H28/2B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 2 UNIFIED INCH SCREW THREADS- UN AND UNR THREAD FORMS (SUPERSEDING FED-STD-H28/2A)
联邦服务的螺纹标准第2节统一英制螺纹-UN和UNR螺纹形式（取代FED-STD-H28/2A）

1991-08-20

现行

FED FED-STD-H28/2B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 2 UNIFIED INCH SCREW THREADS- UN AND UNR THREAD FORMS (SUPERSEDING FED-STD-H28/2A)
联邦服务的螺纹标准第2节统一英制螺纹-UN和UNR螺纹形式（取代FED-STD-H28/2A）

1991-08-20

现行

FED FED-STD-H28/8B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 8 DRYSEAL PIPE THREADS (SUPERSEDING FED-STD-H28/8A)
联邦服务的螺纹标准第8节干密封管螺纹（取代FED-STD-H28/8A）

1992-06-10

现行

FED FED-STD-H28/8B

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 8 DRYSEAL PIPE THREADS (SUPERSEDING FED-STD-H28/8A)
联邦服务的螺纹标准第8节干密封管螺纹（取代FED-STD-H28/8A）

1992-06-10

现行

FED FED-STD-H28/6A

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS(SUPERSEDING FED-STD-H28/6)
联邦服务的螺纹标准第6节统一螺纹的量规和量规-UN和UNR螺纹形式（取代FED-STD-H28/6）

1985-03-05

现行

FED FED-STD-H28/22A

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 22 GAGES AND GAGING FOR METRIC SCREW THREADS-M AND MJ THREAD FORMS (SUPERSEDING FED-STD-H28/22)
联邦服务的螺纹标准第22节公制螺纹的量规和量规-M和MJ螺纹形式（取代FED-STD-H28/22）

1987-11-05