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National Stock Number:
5310-01-187-8956
Federal Supply Class:
5310
National Item Identification Number:
011878956
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 | | NAS1831B3B04 | 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 | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE | HEXAGON | | NOMINAL THREAD SIZE | 0.112 INCHES RIGHT INTERNAL | | SPECIAL FEATURES | MATERIAL: COPPER ALLOY OVERALL;SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL;SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT | | SPECIFICATION/STANDARD DATA | 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | THREAD CLASS | 3B RIGHT INTERNAL | | THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL | | THREAD QUANTITY PER INCH | 40 RIGHT INTERNAL | | THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) | | WIDTH ACROSS FLATS | 0.184 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
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