NSN 5305-00-170-2954

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-170-2954 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: CA276053, CA2760-53, 5305-00-170-2954, 00-170-2954, 5305001702954, 001702954

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 07, 197300-170-295401852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-170-2954
Part Number Cage Code Manufacturer
CA2760-5329372ARCONIC GLOBAL FASTENERS & RINGS,INC.
Technical Data | NSN 5305-00-170-2954
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.312 INCHES MINIMUM
FASTENER LENGTH3.297 INCHES MINIMUM AND 3.327 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.581 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD0.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.625 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.000 INCHES NOMINAL
SPECIAL FEATURESPLUNGER OPERATED SPRING LOADED RETAINING BALLS