Product Details | EXTENDED WASHER SELF-LOCKING NUT

5310-01-568-6872 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: MS2104243, MS21042-43, 5310-01-568-6872, 01-568-6872, 5310015686872, 015686872

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 05 NOV 2008 01-568-6872

Cross Reference | NSN 5310-01-568-6872

Part Number Cage Code Manufacturer
MS21042-43 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21042-43 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-568-6872

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
LUBRICATION SOLUBLE LUBRICANT
SURFACE TREATMENT CADMIUM OVERALL
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
MATERIAL STEEL OVERALL
NUT STYLE HEXAGON
WASHER OUTSIDE DIAMETER 0.420 INCHES MAXIMUM
HARDNESS RATING 49.0 ROCKWELL C MAXIMUM
WASHER THICKNESS 0.019 INCHES MINIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY NUT, SLEF-LOCKING, 450*F, REDUCEDHEXAGON, REDUCED HEIGHT, RING BASE, NON-CORROSION RESISTANT STEEL
OVERALL HEIGHT 0.204 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
THREAD CLASS 3B
WIDTH ACROSS FLATS 0.304 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-01-568-6872

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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