NSN 5305-01-245-3569

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-245-3569 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: 6192SS25207, 6192-SS-2520-7, 6192SS25207, 6192-SS-2520-7, 5305-01-245-3569, 01-245-3569, 5305012453569, 012453569

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 26, 198601-245-356901852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

CONE

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-245-3569
Part Number Cage Code Manufacturer
6192-SS-2520-71YGB8CAREY MANUFACTURING COMPANY, INC.DBA AMATOM ELECTRONIC HARDWARE
6192-SS-2520-706540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
Technical Data | NSN 5305-01-245-3569
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
FASTENER LENGTH0.922 INCHES MINIMUM AND 0.954 INCHES MAXIMUM
HEAD STYLE7 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD HEIGHT0.224 INCHES MINIMUM AND 0.276 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
POINT STYLE CONE
POINT LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
POINT DIAMETER0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
POINT CHAMFER ANGLE55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
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 DIAMETER0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT