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National Stock Number:
5325-00-638-8640
Federal Supply Class:
5325
National Item Identification Number:
006388640
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.
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Manufacturer Information:
| G372-16 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | ML620-16 | 55482 | MOUNT LOK PRODUCTS INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | STYLE DESIGNATOR | FLANGE | | FLANGE THICKNESS | 0.063 INCHES NOMINAL | | LENGTH | 0.313 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.344 INCHES NOMINAL | | INSERT SIZE | 0.217 IN. MIN,0.221 IN. MAX | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD SIZE | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2B | | SPECIAL FEATURES | 2 RADIAL NOTCHES IN FLANGE PERIPHERY 180 DEG APART,THD COUNTERBORED OPPOSITE FLANGE 0.165 IN. MIN,0.174 IN. MAX DIA,0.094 IN. DEPTH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 26512 | | DESIGN CONTROL REFERENCE | G372-16 |
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