NSN 5305-01-295-3013

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-295-3013 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: 237SS26, 237-SS-26, 5305-01-295-3013, 01-295-3013, 5305012953013, 012953013

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 03, 198901-295-301301852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-295-3013
Part Number Cage Code Manufacturer
237-SS-2655566MATTHEW WARREN, INCDBA RAF ELECTRONIC HARDWARE
Technical Data | NSN 5305-01-295-3013
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
FASTENER LENGTH1.047 INCHES MINIMUM AND 1.077 INCHES MAXIMUM
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.750 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
POINT STYLE6 FLAT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM