FED-STD-H28A

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES

Year: 1994

Abstract: This standard includes the basic screw thread dimensional and acceptability requirements for common screw thread forms and applications. Design and use information are also provided when necessary. Specific requirements for particular screw threads, gages, etc., are covered by detailed standard sections.
The issues of the following documents in effect on the date of invitation for bids or request for proposal form a part of this standard to the extent specified herein. 
    FEDERAL STANDARDS          FED-STD-H28/1 - Nomenclature, Definitions, and Letter Symbols for Screw Threads          FED-STD-H28/2 - Unified Inch Screw Threads - UN and UNR Thread Forms          FED-STD-H28/3 - CANCELED AND SUPERSEDED by FED-STD-H28/2          FED-STD-H28/4 - Controlled Radius Root Screw Threads, UNJ Symbol          FED-STD-H28/5 - Unified Miniature Screw Threads          FED-STD-H28/6 - Gages and Gaging for Unified Screw Threads - UN and UNR Thread                         Forms          FED-STD-H28/7 - Pipe Threads, General Purpose          FED-STD-H28/8 - Dryseal Pipe Threads          FED-STD-H28/9 - Gas Cylinder Valve Outlet and Inlet Threads          FED-STD-H28/10 - American National Hose Coupling and Fire-Hose Coupling Threads          FED-STD-H28/11 - Hose Connections for Welding and Cutting Equipment          FED-STD-H28/12 - Acme Threads          FED-STD-H28/13 - Stub Acme Threads          FED-STD-H28/14 - Buttress Screw Threads - 7°/45° Flank Angles          FED-STD-H28/15 - Rolled Threads for Screw-Shells for Electric Lampholders and Lamp                          Bases  FED-STD-H28/16 - Microscope Objective and Nosepiece Threads, 0.8000 - 36AMO          FED-STD-H28/17 - Surveying Instrument Mounting Threads          FED-STD-H28/18 - Photographic Equipment Threads          FED-STD-H28/19 - Miscellaneous Threads          FED-STD-H28/20 - Inspection Methods for Acceptability of UN, UNR, UNJ, M and MJ                          Screw-Threads          FED-STD-H28/21 - Metric Screw-Threads          FED-STD-H28/22 - Gages and Gaging for Metric Screw Threads - M and MJ Thread Forms          FED-STD-H28/23 - Class 5 Interference-Fit Screw Threads      MILITARY STANDARDS          MIL-S-8879 - Screw Threads, Controlled Radius Root With Increased Minor Diameter,                      General Specification for      MILITARY HANDBOOKS          MIL-HDBK-60 Threaded Fasteners Tightening to Proper Tension


(Copies of the above documents are available from the Standardization Document Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.)
The following documents form a part of this standard to the extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply. 
AMERICAN NATIONAL STANDARDS      AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) PUBLICATIONS          ASME B1.1 - Unified Inch Screw Threads (UN and UNR Thread Form)  ANSI/ASME B1.2 - Gages and Gaging for Unified Inch Screw Threads          ASME B1.3M - Screw Thread Gaging Systems for Dimensional Acceptability - Inch and               Metric Screw Threads (UN, UNR, UNJ, M, and MJ)          ASME/ANSI B1.5 - Acme Screw Threads          ANSI/ASME B1.7M - Nomenclature, Definitions, and Letter Symbols for Screw Threads          ASME/ANSI B1.8 - Stub Acme Screw Threads          ANSI B1.9 - Buttress Inch Screw Threads          ASA B1.10 - Unified Miniature Screw Threads          ASA B1.11 - Microscope Objective Thread          ASME/ANSI B1.12 - Class 5 Interference-Fit Thread          ANSI/ASME B1.13M - Metric Screw Threads - M Profile          ANSI/ASME B1.16M - Gages and Gaging for Metric M Screw Threads          ANSI/ASME B1.20.1 - Pipe Threads, General Purpose (Inch)          ANSI B1.20.3 - Dryseal Pipe Threads (Inch)          ASME B1.20.5 - Gaging for Dryseal Pipe Threads (Inch)          ASME B1.20.7 - Hose Coupling Screw Threads (Inch)          ANSI B1.21M - Metric Screw Threads - MJ Profile          ANSI/ASME B1.22M - Gages and Gaging for MJ Series Metric Screw Threads          ANSI B18.2.1 - Square and Hex Bolts and Screws, Inch Series          ASME/ANSI B18.2.2 - Square and Hex Nuts (Inch Series)  ANSI B18.6.2 - Slotted Head Cap Screws, Square Head Set Screws, and Slotted Headless                        Set Screws          ANSI B18.6.3 - Machine Screws and Machine Screw Nuts          ANSI B18.6.4 Thread Forming and Thread Cutting Tapping Screws and Metallic Drive                        Screws (Inch Series)      AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) PUBLICATIONS          ANSI C81.61 - Electrical Lamp Bases          ANSI C81.62 - Lampholders for Electric Lamps          ANSI C81.63 - Gauges for Electric Lamp Bases and Lampholders          ANSI PH3.101 - Photography (Cameras) Tripod Connections for American Cameras                        (1/4-Inch-20 Thread)          ANSI PH3.102 - Photography (Cameras) Tripod Connections for Heavy-Duty or                        Imported Cameras 3/8-Inch-16 Thread With Adapter for 1/4-Inch-20                        Tripod Screws)          ANSI PH3.103 - Photography (Cameras) - Lens Barrel Attachment Threads for Lens                        Accessories          ANSI PH3.107 - Photography (Cameras) - Shutter Cable Release and Socket - Dimensions      SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS (SMPTE)     PUBLICATION          ANSI/SMPTE 76 - Motion-Picture Cameras - 16- and 8- mm Threaded Lens Mounts      NATIONAL FIRE PROTECTION ASSOCIATION PUBLICATION          NFPA 1963 - Screw Threads and Gaskets for Fire Hose Connections      COMPRESSED GAS ASSOCIATION (CGA) PUBLICATION          ANSI/CSA/CGA V-1 - Compressed Gas Cylinder Valve Outlet and Inlet Connections


(Copies of the above documents are available from the American National Standards Institute, 11 West 42nd Street, New York, NY 10036-8002 or from the applicable publisher:
American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017-2392
or
Society of Motion Picture and Television Engineers, 595 West Hartsdale Avenue, White Plains, NY 10607-1824
or
National Fire Protection Association, One Batterymarch Park, Quincy, MA 02169-7473
or
Compressed Gas Association, 1725 Jefferson Davis Highway, Arlington, VA 22202-4102) 
    COMPRESSED GAS ASSOCIATION PUBLICATION          CGA E-1 - Standard Connections for Regulator Outlets, Torches and Fitted Hose for         Welding and Cutting Equipment


Copies of the above document are available from the Compressed Gas Association, 1725 Jefferson Davis Highway, Arlington, VA 22202-4102)
  • Show Full MetaData
  • Statistics