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National Stock Number:
5325-00-171-2220
Federal Supply Class:
5325
National Item Identification Number:
001712220
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:
| 548636 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 548636 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION |
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Techincal Specification:
| FLANGE THICKNESS | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | INSERT SIZE | 9/16-18 UNF 2A | | LENGTH | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OVERALL | | SPECIAL FEATURES | FACE OF FLANGE COUNTERSUNK 90 DEG BY 0.490 IN. DIA,INSERT END COUNTERBORED 0.431 IN. MIN 0.435 IN. MAX DIA TO DEPTH OF 0.120 IN. | | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL | | STYLE DESIGNATOR | FLANGE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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