Product Details | HEXAGON PLAIN NUT

5310-00-558-7206 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.

Part Alternates: MS35690510, MS35690-510, S2031001P11ISSUE5, S203-1001P11ISSUE5, FFN836, FF-N-836, 5310-00-558-7206, 00-558-7206, 5310005587206, 005587206

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-558-7206

Drawings & Photos | NSN 5310-00-558-7206


Demand History | NSN 5310-00-558-7206

Part Number Request Date QTY Origin
FFN836 2025-03-84 32 Japan
FFN836 2024-10-291 190 US
FFN836 2023-09-258 100 TR
FFN836 2021-11-307 200 United States
FFN836 2021-08-228 100 United States
FFN836 2019-02-44 288 US
FFN836 2018-02-32 2 US
FFN836 2017-05-123 25 United States
FF-N-836 2016-05-145 48 Spain
FFN836 2012-12-341 1 US
MS35690510 2012-07-212 20 United States
FFN836 2010-11-322 100 United Kingdom
FFN836 2010-08-218 1 US
FFN836 2010-08-218 1 US
FFN836 2010-08-218 1 US
FFN836 2010-08-218 1 US
FFN836 2010-03-90 4 us
FFN836 2010-03-81 50 United States
FFN836 2010-02-46 50 United States
MS35690510 2009-07-205 25 US
FFN836 2009-07-183 1000 US
FFN836 2009-05-141 580 US
FFN836 2008-07-195 20 US
FFN836 2008-06-171 200 US
FFN836 2008-02-39 1 US
FFN836 2007-10-298 100 US

Cross Reference | NSN 5310-00-558-7206

Part Number Cage Code Manufacturer
FF-N-836 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS35690-510 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
S203-1001P11ISSUE5 3B150 RAYTHEON TECHNICAL SERVICES COMPANY LLC
S203-1001P11ISSUE5 49956 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5310-00-558-7206

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 303 OR STEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
BEARING SURFACE TYPE FLAT
TEMP RATING NOT RATED
SPECIFICATION/STANDARD DATA 81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35690/CANCELED/ GOVERNMENT STANDARD
NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 4 STYLE AND 5/16-18UNC SIZE
DEPARTURE FROM CITED DOCUMENT AS MODIFIED BY MATL
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-N-836

Restrictions/Controls & Freight Information | NSN 5310-00-558-7206

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable