5340-01-412-1757 BRACKET,MOUNTING Index 5340-01-412-1759 PAD,CUSHIONING

National Stock Number:
5325-01-412-1758

Federal Supply Class:
5325

National Item Identification Number:
014121758

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:
107328-9337695RAYTHEON COMPANY
NCN-4-3-2-1757227PICS SCREW MACHINE, INC.
RCN44BE(.062)-1730343RADIO COMPONENT CORP


Techincal Specification:
FLANGE DIAMETER0.2500 INCHES NOMINAL
FLANGE THICKNESS0.0190 INCHES NOMINAL
FULL INTERNAL THREAD LENGTH0.5630 INCHES NOMINAL
INSERT SIZE4-40
INTERNAL THREAD RELIEF DEPTH0.0300 INCHES NOMINAL
LENGTH0.5930 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD SIZE0.1120 INCHES
STYLE DESIGNATORBLIND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.5630 INCHES NOMINAL
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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