NSN 5305-00-007-0188

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-007-0188 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Alternate Parts: 319791499, 3197914-99, 3197914, 5305-00-007-0188, 00-007-0188, 5305000070188, 000070188

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 30, 197200-007-018801852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-007-0188
Part Number Cage Code Manufacturer
3197914-9982577RAYTHEON COMPANYDBA RAYTHEON
319791482577RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-00-007-0188
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.194 INCHES MINIMUM AND 0.206 INCHES MAXIMUM
FASTENER LENGTH0.232 INCHES MINIMUM AND 0.236 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.386 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD HEIGHT0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.030 INCHES MINIMUM AND 0.038 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT