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FIIG:  A03100

Entry Date:  Apr-01-1974

Concept:  

Status:  A

Applicability:  AP

Type:  0

Definition:  A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on on its under portion which can be clinched or crimped. Excludes: BUSHING,MACHINE THREAD; NUT,PLAIN,KNURLED; NUT,PLAIN,ROUND; NUT,PLAIN,CLINCH and NUT,SELF-LOCKING,CLINCH. See also NUT,PLAIN,PLATE.

Basic INC:  70683

Basic Name:  INSERT

Description:  1. A circular item of various configurations consisting of one or more pieces which may be pre-assembled. It is designed to provide a method for the attachment of honeycomb and sandwich panels to structural members, flooring, bulkheads and the like to prevent the crushing of panels under high compression loads. It may be press fitted, potted or held in by mechanical means.