NSN 5305-01-088-6056

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-088-6056 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: 422R482H01, 5305-01-088-6056, 01-088-6056, 5305010886056, 010886056

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 16, 198001-088-605601852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-088-6056
Part Number Cage Code Manufacturer
422R482H0197942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS
Technical Data | NSN 5305-01-088-6056
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.483 INCHES NOMINAL
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.194 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM