SCREW
PN E8401-2
NSN 5305-00-343-3808
MFG WHIPPANY
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
ITEM NAME:   SCREW,MACHINE
DEFINITION:  An externally threaded fastener whose threaded portion is of one

             nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be

             held or driven with either a wrench or an inserted driver or both

             (excluding internal socket or internal multiple spline types), in

             sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have

             a head designed for any type inserted driver (excluding internal

             socket or internal multiple spline types), but may also be designed

             for external wrenching. A locking feature may be incorporated in the

             design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY

             RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED

             WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL

             WRENCHING; and SCREW, CAP SOCKET HEAD.

CHARACTERISTIC                          VALUE
THREAD CLASS                            3A                                               
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.220 INCHES MINIMUM                             
FASTENER LENGTH                         1.870 INCHES NOMINAL                             
HEAD STYLE                              FLAT COUNTERSUNK                                 
HEAD DIAMETER                           0.123 INCHES MINIMUM AND 0.146 INCHES MAXIMUM    
NTERNAL DRIVE STYLE                    SLOT                                             
NOMINAL THREAD DIAMETER                 0.073 INCHES                                     
THREAD QUANTITY PER INCH                64                                                
COUNTERSINK ANGLE                       80.0 DEGREES NOMINAL                             
SCREW MATERIAL                          STEEL COMP 416                                   
SCREW MATERIAL DOCUMENT AND             ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE      
CLASSIFICATION                                                                           
SCREW SURFACE TREATMENT                 PASSIVATE                                        
SCREW SURFACE TREATMENT                 S118 FSCM 81039 MFR REF SINGLE TREATMENT RESPONSE
DOCUMENT AND CLASSIFICATION                                                              
SHANK SURFACE FINISH                    32.0 MICROINCHES                                 
DESIGN CONTROL REFERENCE                E8401-2                                          
THE MANUFACTURERS DATA                  81039                                            
MANUFACTURERS CODE                                                                        
THREAD SERIES DESIGNATOR                UNC