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National Stock Number:
5325-01-616-4653
Federal Supply Class:
5325
National Item Identification Number:
016164653
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:
| MS51832-201 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE AMS5640 ASSN STD 1ST MATERIAL RESPONSE OR | | ASTM A582/A528M ASSN STD 1ST MATERIAL RESPONSE OR | | SAE AMS5640 ASSN STD 2ND MATERIAL RESPONSE OR | | ASTM A582/A582M ASSN STD 2ND MATERIAL RESPONSE OR | | SAE AMS5738 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | KEYLOCK | | LENGTH | 0.297 INCHES MINIMUM AND | | 0.327 INCHES MAXIMUM | | INTERNAL THREAD RELIEF DEPTH | 0.060 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | FULL INTERNAL THREAD LENGTH | 0.242 INCHES NOMINAL | | INSERT SIZE | 0.4375-14UNC-2A | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD SIZE | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.242 INCHES NOMINAL | | OVERALL LENGTH | 0.442 INCHES NOMINAL | | SPECIAL FEATURES | INSERT IS SUPPLIED WITH (2) LOCKING KEYS SPACED 180 DEGREES APART. LOCKING KEYS ARE STEEL, CORROSION RESISTANT, TYPE 302 PER ASTM A580/A580M | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51832-201 |
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