NUT
P/N MS51866-27
NSN 5310 01 069 2738
MFG MILITARY STANDARDS
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   NUT,SELF-LOCKING,SP
DEFINITION:  A nut having an externally splined sleeve, which holds it in position
             when forced into a hole of slightly smaller diameter. An integral
             feature is incorporated for locking.
             
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            3B                                               
THREAD DIRECTION                        RIGHT-HAND                                       
LOCKING FEATURE                         PREVAILING TORQUE WITH NONMETALLIC INSERT OR     
                                        PREVAILING TORQUE ALL METAL DESIGN               
PILOT DIAMETER                          0.446 INCHES MINIMUM AND 0.450 INCHES MAXIMUM    
PILOT LENGTH                            0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM    
LUBRICATION                             DRY FILM LUBRICANT                               
NUT STYLE                               SPLINE                                            
NUT DIAMETER                            0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM    
NUT HEIGHT                              0.392 INCHES MINIMUM AND 0.452 INCHES MAXIMUM    
TEMP RATING                             250.0 DEG FAHRENHEIT MAXIMUM                     
THREAD SERIES                           UNF                                              
THREAD QUANTITY PER INCH                24                                               
NOMINAL THREAD SIZE                     0.312 INCHES                                     
SPECIAL FEATURES                        OPTIONAL HEX STYLE 0.625 IN. NOM WIDTH ACROSS    
                                        FLATS                                            
MATERIAL                                PLASTIC POLYAMIDE LOCKING INSERT STEEL COMP 301 OR
                                        STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP  
                                        303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL
                                        COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR 
                                        STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP  
                                        310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL
                                        COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR 
                                        STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348
                                        OR STEEL COMP 384 OR STEEL COMP 385 NUT          
MATERIAL DOCUMENT AND                   SAE ASSN STD ALL MATERIAL RESPONSES NUT          
CLASSIFICATION                                                                           
SURFACE TREATMENT                       CADMIUM AND CHROMATE OVERALL EXCEPT INSERT       
DEFINITIVE GOVERNMENT                   MS51866-27                                       
SPEC/STD REFERENCE                                                                        
SPEC/STD CONTROLLING DATA               96906                                            
MANUFACTURERS CODE                                                                       
SURFACE TREATMENT DOCUMENT              QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT   
AND CLASSIFICATION                      RESPONSES OVERALL EXCEPT INSERT