handbook h28 part 1fed-std-h28 pdf

The basis for this Handbook is the 1933 report, and preceding reports, of the National Screw Thread Commission, and Handbooks H25 dated 1939, and H28 dated 1942 NATIONAL BUREAU OF STANDARDS HANDBOOK H28 (1944). SCREW-THREAD STANDARDS Screw Thread Commission, and Handbooks H25 dated 1939, and H28 dated 1942,. The accompanying Handbook H28 (1957), Part III, on screw-thread standards for Federal Services, submitted by the Interdepartmental.Handbook H28 is issued in 3 parts. This Part, Part I, contains information on Unified and Unified mini- ature screw threads. Part II contains information on HANDBOOK H28 (1969). SCREW-THREAD STANDARDS. FOR FEDERAL SERVICES. PART I. UNIFIED. UN]. UNIFIED MINIATURE. SCREW THREADS. NBS Handbook H28 (1969). Title, HANDBOOK H28 (1969) SCREW-THREAD STANDARDS FOR FEDERAL SERVICES. PT. 1. UNIFIED UNJ UNIFIED MINIATURE SCREW THREADS. Handbook H28 (1957), Part 2. Revised. Descriptive Note: Corporate Author: NATIONAL BUREAU OF STANDARDS GAITHERSBURG MD. Personal