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National Stock Number:
5325-01-034-3035
Federal Supply Class:
5325
National Item Identification Number:
010343035
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:
| B372018L4 | 52096 | ROLLS-ROYCE INC | | B372018L4 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | BS247 OR BS251 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TN1006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | KEYLOCK | | FLANGE DIAMETER | 0.325 INCHES NOMINAL | | LENGTH | 0.540 INCHES NOMINAL | | TOP UNTHREADED PORTION OUTSIDE DIAMETER | 0.325 INCHES NOMINAL | | TOP PORTION UNTHREADED OUTSIDE LENGTH | 0.040 INCHES NOMINAL | | FULL INTERNAL THREAD LENGTH | 0.540 INCHES NOMINAL | | INSERT SIZE | 3/8 INCH DIAMETER | | THREAD SERIES DESIGNATOR | UNS | | NOMINAL THREAD SIZE | 0.3772 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.540 INCHES NOMINAL | | SPECIAL FEATURES | INTERNAL THREAD: 1/4-28UNF-2B | | PART NAME ASSIGNED BY CONTROLLING AGENCY | INSERT, SCREW THREAD, .3772-24UNS-2A |
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