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National Stock Number: 5310-01-556-5554
Federal Supply Class: 5310
National Item Identification Number: 015565554
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:
| 10039380 | 61C19 | MIL-COTS CORPORATION | | 12759-00531 | 0Y3H3 | FASTENAL COMPANY | | 3011561 | 0B9F4 | RKR TECHNOLOGIES, LTD. | | 3011561 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. | | 3011561 | 3T063 | MOTOR CITY FASTENERS INC | | 3011561 | 4JEL0 | REXEL USA, INC. | | 40162 | 0Y3H3 | FASTENAL COMPANY | | S000019 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. | | ESP-EM-3.101-GS | 338X5 | ND DEFENSE LLC | | ESP-EM-3.104-PP | 338X5 | ND DEFENSE LLC | | 31082R1 | 338X5 | ND DEFENSE LLC | | 3011561 | 57550 | RELLI TECHNOLOGY, INC | | 3011561 | 7W356 | GENERAL DYNAMICS LAND SYSTEMS INC. | | 31082R1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN 267, PART 4, CLASS 8 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, HEX WELD PREV TORQ METRIC, M8X1.25 CLASS 8 PHC FLG | | PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD SIZE | 8.0 MILLIMETERS | | NUT HEIGHT | 6.14 MILLIMETERS MINIMUM AND 6.50 MILLIMETERS MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | HEX FLANGE NUTS | | WIDTH ACROSS FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM | | THREAD CLASS | 6H | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES | M |
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