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National Stock Number:
5310-00-304-7558
Federal Supply Class:
5310
National Item Identification Number:
003047558
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:
| 1290304-133 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD SERIES | UNJ | | NOMINAL THREAD SIZE | 1.750 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,ALLOY 7075,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LCP77-2037,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.688 INCHES NOMINAL | | WIDTH ACROSS FLATS | 2.242 INCHES MINIMUM AND | | 2.258 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | DRILLED HOLE DIAMETER | 0.070 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL NUT | | BEARING SURFACE FINISH | 125.0 MICROINCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 1290304-133 |
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