Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-551-8353 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: 21AX762, 25084110, 5310-01-551-8353, 01-551-8353, 5310015518353, 015518353

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 29 MAY 2007 01-551-8353

Drawings & Photos | NSN 5310-01-551-8353


Cross Reference | NSN 5310-01-551-8353

Part Number Cage Code Manufacturer
21AX762 89619 MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS
25084110 Z4117 VOLVO GROUP AUSTRALIA PTY LTD

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Technical Data | NSN 5310-01-551-8353

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
SURFACE TREATMENT CHROMATE ZINC OVERALL
HARDNESS RATING 70.0 ROCKWELL C MINIMUM
NUT STYLE A294 HEXAGON
WASHER OUTSIDE DIAMETER 0.885 INCHES MINIMUM AND 0.915 INCHES MAXIMUM
OVERALL HEIGHT 0.365 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
WASHER THICKNESS 0.036 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
SPECIAL FEATURES WASHER HAS 24 SERRATIONS EVENLY PLACED
III PART NAME ASSIGNED BY CONTROLLING AGENCY NUT, LOCK-MACHINE SCREW

Restrictions/Controls & Freight Information | NSN 5310-01-551-8353

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