Product Details | HEXAGON SELF-LOCKING NUT

5310-00-857-5566 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS21045L10, RM1801108, RM1801-108, YE3206, 38FH1018, 38FH-1018, 5310-00-857-5566, 00-857-5566, 5310008575566, 008575566

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1960 00-857-5566

Drawings & Photos | NSN 5310-00-857-5566


Demand History | NSN 5310-00-857-5566

Part Number Request Date QTY Origin
MS21045L10 2024-10-285 72 United States
MS21045L10 2012-08-242 15 United States
MS21045L10 2012-05-143 10 US

Cross Reference | NSN 5310-00-857-5566

Part Number Cage Code Manufacturer
38FH-1018 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
MS21045L10 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
RM1801-108 72962 HARVARD INDUSTRIES INC
YE3206 75497 LAMSON AND SESSIONS CO THE

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Technical Data | NSN 5310-00-857-5566

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.625 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.732 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE 88.0 DEGREES NOMINAL NUT
LUBRICATION DRY FILM LUBRICANT
TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL
III BEARING SURFACE FINISH 125.0 MICROINCHES
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21045L10

Restrictions/Controls & Freight Information | NSN 5310-00-857-5566

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information