Product Details | HEXAGON PLAIN NUT

5310-00-619-1961 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: FFN836, MILB857TYPEACLASSC, 74593A, 7B9744, 5310-00-619-1961, 00-619-1961, 5310006191961, 006191961

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-619-1961

Drawings & Photos | NSN 5310-00-619-1961


Demand History | NSN 5310-00-619-1961

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
FFN836 2012-12-341 1 US
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
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 5310-00-619-1961

Part Number Cage Code Manufacturer
74593A 00742 AIR PRODUCTS AND CHEMICALS, INC. DBA AIR PRODUCTS
7B9744 11083 CATERPILLAR INC. DBA CATERPILLAR
FFN836 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MILB857TYPEACLASSC 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5310-00-619-1961

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 1.750 INCHES
THREAD QUANTITY PER INCH 5
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 1.500 INCHES NOMINAL
WIDTH ACROSS FLATS 2.625 INCHES NOMINAL
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING NOT RATED
NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 4 STYLE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY WIDTH ACROSS FLATS AND NUT HEIGHT
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFN836
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILB857TYPEACLASSC

Restrictions/Controls & Freight Information | NSN 5310-00-619-1961

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
No Freight Information