NSN 5305-00-183-0248

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-183-0248 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: 21529, 21529, 21529, 21529, 5305-00-183-0248, 00-183-0248, 5305001830248, 001830248

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-183-024801852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-183-0248
Part Number Cage Code Manufacturer
2152932970AIRCRAFT PARTS CORPORATION
2152994931BENDIX CORP THE BENDIX INTERNATIONALDIV
2152907270MOOG INC.
2152995270SKURKA AEROSPACE INC.
Technical Data | NSN 5305-00-183-0248
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD LENGTH0.375 INCHES MINIMUM
FASTENER LENGTH1.438 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.438 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
FIRST DIAMETER FROM HEAD0.296 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.094 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.062 INCHES NOMINAL