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National Stock Number:
5325-01-377-7514
Federal Supply Class:
5325
National Item Identification Number:
013777514
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:
| 935284-2C | 82577 | RAYTHEON COMPANY | | C4540 | 81755 | LOCKHEED MARTIN CORPORATION | | C4540-440-5 | 46384 | PENN ENGINEERING & MANUFACTURING CORP | | C4540-440-5 | 59794 | DELMARVA ELECTRIC MOTORS & MACHINE, INC. | | C4540-440-5 | 81755 | LOCKHEED MARTIN CORPORATION | | C4540-440-5 | 97393 | SPS TECHNOLOGIES LLC | | IBLC-440-8 | 07757 | STANDARD INSERT CO INC | | L8B440C | 07757 | STANDARD INSERT CO INC | | IBLC-440-8 | 46384 | PENN ENGINEERING & MANUFACTURING CORP |
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Techincal Specification:
| FEATURES PROVIDED | SELF-LOCKING | | INSERT SIZE | 0.188 IN. DIAMETER | | LENGTH | 0.344 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | INSERT SCREW THREAD, BLIND, SELF-LOCKING | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.112 INCHES | | OVERALL DIAMETER | 0.188 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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