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National Stock Number:
5310-00-551-4265
Federal Supply Class:
5310
National Item Identification Number:
005514265
Description:
NUT,PLAIN,HEXAGON
Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
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Manufacturer Information:
| 002-004176-006 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 1054054 | 34895 | HF GROUP INC | | A26007 | 23050 | PRODUCT COMPONENTS CORPORATION | | 318584-6 | 3B150 | RAYTHEON COMPANY | | 318584-6 | 49956 | RAYTHEON COMPANY | | 300658-0007 | 65597 | THALES USA, INC. | | FFN836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | N-2520-X NATURAL | 85480 | BRADY UNITED STATES | | N2520X | 85480 | BRADY UNITED STATES | | MS51858-7 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.212 INCHES MINIMUM AND | | 0.226 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | BEARING SURFACE TYPE | FLAT OR | | CHAMFERED | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND | | 4 STYLE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFN836 | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51858-7 |
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