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National Stock Number:
5310-01-291-2110
Federal Supply Class:
5310
National Item Identification Number:
012912110
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:
| NAS1831 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS1831A4B07 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| CROSS-SECTIONAL LENGTH | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE | HEXAGON | | NOMINAL THREAD SIZE | 0.112 INCHES RIGHT INTERNAL | | SPECIAL FEATURES | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2011 OVERALL;SURFACE TREATMENT: ANODIZE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/3,T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT | | SPECIFICATION/STANDARD DATA | 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | WIDTH ACROSS FLATS | 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM | | THREAD CLASS | 2B RIGHT INTERNAL | | THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL | | THREAD QUANTITY PER INCH | 40 RIGHT INTERNAL | | THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) |
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