Part Details | HEXAGON PLAIN NUT
5310-00-042-2988 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.)
Alternate Parts: FFB571TYPEA, 422988, 422988, 5310-00-042-2988, 00-042-2988, 5310000422988, 000422988
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-042-2988 | 01857 ( NUT, PLAIN, HEXAGON ) | 
REFERENCE DRAWINGS & PICTURES
HEXAGON
					Cross Reference | NSN 5310-00-042-2988
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| FFB571TYPEA | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES | 
| 422988 | 24617 | GENERAL MOTORS CORP | 
| 422988 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS | 
Technical Data | NSN 5310-00-042-2988
| Characteristic | Specifications | 
|---|---|
| THREAD SERIES | UNF | 
| NOMINAL THREAD SIZE | 0.375 INCHES | 
| THREAD QUANTITY PER INCH | 24 | 
| THREAD CLASS | 2B | 
| THREAD DIRECTION | RIGHT-HAND | 
| NUT STYLE | HEXAGON | 
| NUT HEIGHT | 0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM | 
| WIDTH ACROSS FLATS | 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM | 
| BEARING SURFACE TYPE | H$DWF | 
| NONDEFINITIVE SPEC/STD DATA | A TYPE | 
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY HEIGHT RQMT | 
