Product Details | HEXAGON PLAIN NUT

5310-01-252-3100 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: GTYIGR2, ITEM 8/ 213-4364085, ITEM82134364085, MILDTL1222, MIL-DTL-1222, MILS1222, MIL-S-1222, 2134364085ITEM8, 213-4364085ITEM8, 5310-01-252-3100, 01-252-3100, 5310012523100, 012523100

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01-252-3100

Drawings & Photos | NSN 5310-01-252-3100


Demand History | NSN 5310-01-252-3100

Part Number Request Date QTY Origin
MILDTL1222 2025-03-72 40 United States
MILDTL1222 2025-02-49 40 United States
MILS1222 2025-01-22 8 United States
MILS1222 2025-01-22 8 United States
MILDTL1222 2023-06-159 12 United States
MILS1222 2015-03-89 3000 BH
MILS1222 2014-08-230 1 US
MILDTL1222 2013-06-169 59 US
MILS1222 2012-07-209 4 United States
MILS1222 2012-03-74 1 US
MILS1222 2011-02-49 3 US
MILS1222 2011-02-49 4 US
MILS1222 2011-02-49 5 US
MILS1222 2011-02-49 10 US
MILS1222 2011-02-49 18 US
MILS1222 2011-02-49 35 US
MILS1222 2011-02-49 40 US
MILS1222 2011-02-49 42 US
MILS1222 2011-02-49 185 US
MILS1222 2011-02-49 195 US

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Technical Data | NSN 5310-01-252-3100

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 1.125 INCHES
THREAD QUANTITY PER INCH 7
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.969 INCHES NOMINAL
WIDTH ACROSS FLATS 1.688 INCHES NOMINAL
BEARING SURFACE TYPE FLAT
TEMP RATING NOT RATED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 80064
DESIGN CONTROL REFERENCE ITEM 8/ 213-4364085

Restrictions/Controls & Freight Information | NSN 5310-01-252-3100

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
Category Code Description
No Freight Information