5340-01-215-9116 INSERT,SCREW THREAD Index 5340-01-215-9118 INSERT,SCREWTHREAD

National Stock Number:
5325-01-215-9117

Federal Supply Class:
5325

National Item Identification Number:
012159117

Description:
INSERT,SCREW THREAD

Detail:
A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled 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 its underportion 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.


Manufacturer Information:
590403999167HAMILTON SUNDSTRAND CORPORATION
931B-4SE050001556STANLEY ENGINEERED FASTENING LLC


Techincal Specification:
INSERT SIZE0.4375-14 UNC-3A
LENGTH0.500 INCHES NOMINAL
NOMINAL THREAD SIZE0.250 INCHES
STYLE DESIGNATORKEYLOCK
THREAD CLASS3B
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH2B
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
TOP PORTION UNTHREADED OUTSIDE LENGTH0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM


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