NSN 5305-01-052-5808

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-052-5808 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: 430R298H01, 430R298H01, 5305-01-052-5808, 01-052-5808, 5305010525808, 010525808

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 16, 197701-052-580801852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-052-5808
Part Number Cage Code Manufacturer
430R298H0197942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
430R298H014F053R AND S MACHINE CO
Technical Data | NSN 5305-01-052-5808
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.258 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
FASTENER LENGTH0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.160 INCHES NOMINAL
SPECIAL FEATURESHOLE THREADED END 0.360 IN. DEEP,0.250 IN. DIA
END ITEM IDENTIFICATIONAN/ALQ-131 BLOCK I