ASME B18.24a-2006 pdf download

ASME B18.24a-2006 pdf download

ASME B18.24a-2006 pdf download.Addenda to ASME B18.24-2004 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products.
In our example, the Base PIN is AEB02 and the unique B18 Fastener PIN is AEB02C250A50AP1A11. ? and ? denote field number and field length, respectively, for subsequent PIN fields. By traversing from left to right from the beginning of Field 2 (digit 6), the user can spec- ify or look up the fastener attributes for any unique Base PIN/top level fastener type. ? denotes the attribute table number references for fields 2-7 as  2-1 3-1 4-1 5-* 6-* 7-1. It is from these at- tribute fields that a unique fastener is described. Hav- ing located the appropriate lookup tables for Base PIN  AEB02, the user would interpret the remainder of the PIN as follows: Look up the: 1 digit value for Field 2 in Table 2-1 3 digit value for Field 3 in Table 3-1 3 digit value for Field 4 in Table 4-1 3 digit value for Field 5 in Tables 5-1 through 5-7 2 digit value for Field 6 in Tables 6-1 through 6-4 1 digit value for Field 7 in Table 7-1 The following is an example for this specific B18 fas- tener PIN:
Please note that Tables 4-1 and 4-2 include coverage of Field 4 externally threaded fastener lengths for fas- teners with a reduced body diameter (RBD). ASME B18 Prefix PIN Description AE ASME B18 PIN All 18-digit ASME B18 Fastener PINs shall begin with an “AE” prefix. “AE” combined with the next 3 digits shall comprise the Fastener Family and Type/Base PIN. Refer to Table 1-1 to specify/look up the appropriate top level B18 Fastener Family and Type/Base PIN.
B18 Fastener Family PIN Description B Bolts E Inserts K Keys and Keysets M Screw and Washer Assemblies—Sems N Nuts P Pins R Retaining Rings S Screws T Studs (Includes Lifting Eyes and Eyebolts) V Rivets W Washers The B18 Fastener Family table describes digit 3 of Field 1, which is a total of 5 digits in length. As such, the field values of B18 Fastener Family are included within the Table 1-1 PIN values. This table is presented solely to demonstrate how the user can quickly identify what type of fastener a given PIN describes simply by identifying the third digit in a B18 PIN.

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