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National Stock Number:
5310-00-167-1344
Federal Supply Class:
5310
National Item Identification Number:
001671344
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:
| 1159 | 00198 | PRATT & WHITNEY CANADA CORP | | 1159 | R1120 | SATAIR A/S | | 278-156 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 20296 | 55176 | VSE AVIATION, INC. | | 278-156 | 56705 | DONALLCO INC | | 404 225 | 77294 | PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC | | 5W1268FA22 | 11530 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS | | A1942 | 11599 | TRIUMPH ENGINE CONTROL SYSTEMS LLC | | 802131-00 | 32345 | DEFENSE REDUCTION AGENCY | | A63-48 | 74080 | HARVARD INDUSTRIES | | 5310PL0890270 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | AN315-4 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 982737 | F0302 | SAFRAN TRANSMISSION SYSTEMS | | 938.03.27.106 | S4080 | PILATUS AIRCRAFT LTD | | N521 | 57733 | STEWART-WARNER CORPORATION | | AN315-4R | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | AN315-4R | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP | | AN315-4R | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | FF-N-836 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| BEARING SURFACE FINISH | 125.0 MICROINCHES | | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | NUT HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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