|
|
|
National Stock Number:
5310-01-497-2698
Federal Supply Class:
5310
National Item Identification Number:
014972698
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.)
|
Manufacturer Information:
| 0.31218UNC2BT1G4NSA/BED | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-S-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
|
Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-194, REF 7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4140H OR STEEL COMP 4142 OR STEEL COMP 4142H OR STEEL COMP 4145 OR STEEL COMP 4145H OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SURFACE TREATMENT | PHOSPHATE IRON OVERALL | | SPECIAL FEATURES | SURFACE TREATMENT SPEC IS DOD-P-16232 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
|
|