NUT,
| AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | 88044 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.406 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.543 INCHES MINIMUM AND 2.583 INCHES MAXIMUM |
| THREAD SERIES | UN |
| THREAD QUANTITY PER INCH | 12 |
| NOMINAL THREAD SIZE | 2.250 INCHES |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
| BEARING SURFACE TYPE | CHAMFERED |
| MATERIAL | STEEL COMP 304 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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.) |
