Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-557-2769 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: BACN10HR4, 5310-01-557-2769, 01-557-2769, 5310015572769, 015572769

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 17 OCT 2007 01-557-2769

Drawings & Photos | NSN 5310-01-557-2769


Cross Reference | NSN 5310-01-557-2769

Part Number Cage Code Manufacturer
BACN10HR4 77272 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-557-2769

Characteristic Specifications
THREAD SERIES UNJF
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.438 INCHES MAXIMUM
OVERALL HEIGHT 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
WASHER THICKNESS 0.020 INCHES MINIMUM
WIDTH ACROSS FLATS 0.347 INCHES MINIMUM
COUNTERBORE DIAMETER 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM FIRST END
III PART NAME ASSIGNED BY CONTROLLING AGENCY NUT,SELF LOCKING,12 POINT, 220 KSI TENSILE, HIGH RELIABILITY, 450 F AND 900 F; BOEING PART STANDARD

Restrictions/Controls & Freight Information | NSN 5310-01-557-2769

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