Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-448-5788 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: 5310-00-448-5788, 00-448-5788, 5310004485788, 004485788

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-448-5788

Drawings & Photos | NSN 5310-00-448-5788


Cross Reference | NSN 5310-00-448-5788

Part Number Cage Code Manufacturer
3016550 00198 PRATT & WHITNEY CANADA CIE DIVPRATT & WHITNEY CANADA CORP.
70877-524 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
H39546-5 15653 ALCOA GLOBAL FASTENERS, INC.
H39546-5 75237 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
LH9756-5K 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
LH9756-5K 72962 HARVARD INDUSTRIES INC

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Technical Data | NSN 5310-00-448-5788

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3BG
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.531 INCHES MAXIMUM
OVERALL HEIGHT 0.280 INCHES MAXIMUM
WASHER THICKNESS 0.040 INCHES MINIMUM
WIDTH ACROSS FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE ANY ACCEPTABLE NUT
TEMP RATING NOT RATED
MANUFACTURERS CODE 00198
MFR SOURCE CONTROLLING REFERENCE 3016566

Restrictions/Controls & Freight Information | NSN 5310-00-448-5788

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