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National Stock Number:
5325-01-380-2596
Federal Supply Class:
5325
National Item Identification Number:
013802596
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:
| 03A290-1-644 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | D217HE765-644M | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | SL6236C7-644M | 97393 | SPS TECHNOLOGIES LLC |
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Techincal Specification:
| FLANGE DIAMETER | 0.831 INCHES MINIMUM AND 0.841 INCHES MAXIMUM | | FLANGE THICKNESS | 0.060 INCHES NOMINAL | | INSERT SIZE | 0.560 IN. OD | | LENGTH | 0.633 INCHES MINIMUM AND 0.655 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5640 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MOUNTING FACILITY QUANTITY | 2 | | MOUNTING METHOD | UNTHREADED HOLE(S) | | NOMINAL THREAD SIZE | 0.437 INCHES | | SPECIAL FEATURES | ANTI ROTATION KNURL THATS CENTRALLY LOCATED; DRY FILM LUBE PER MIL-L-8937 ON THREADS ONLY | | STYLE DESIGNATOR | FLANGE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.644 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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