|
|
|
National Stock Number:
5310-00-902-5225
Federal Supply Class:
5310
National Item Identification Number:
009025225
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:
| 6841747-428 | 17328 | UNITED PRECISION PRODUCTS CO., INC. | | 6841747-428 | 24617 | GENERAL MOTORS CORP | | 6841747-428 | 73342 | ALLISON TRANSMISSION INC |
|
Techincal Specification:
| BEARING SURFACE FINISH | 63.0 MICROINCHES | | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT | | DRILLED HOLE DIAMETER | 0.047 INCHES NOMINAL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HOLE CONFIGURATION STYLE | CONFIGURATION H | | HOLE TYPE AND QUANTITY | 2 DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6322 OR 6327 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 8740 OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2425 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE FILM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
|
|