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National Stock Number:
5310-00-550-1059
Federal Supply Class:
5310
National Item Identification Number:
005501059
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:
| 10009736 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 21770 | 59501 | UNISON INDUSTRIES LLC | | M-4721 | 01121 | ROCKWELL AUTOMATION, INC. | | 21770 | 77820 | AMPHENOL CORP | | 21770 | 81579 | MASON ELECTRIC CO. | | M4721 | A1508 | RHEINMETALL ITALIA SPA | | M4721 | C2463 | RHEINMETALL SOLDIER ELECTRONICS GMBH | | M4721 | S3092 | RHEINMETALL AIR DEFENCE AG |
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Techincal Specification:
| THREAD SERIES | UNEF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | COPPER ALLOY OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.078 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 01121 | | DESIGN CONTROL REFERENCE | M-4721 |
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