NSN 5305-00-763-0166

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-763-0166 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: 63610, 4310251001, 431-0251-001, 5305-00-763-0166, 00-763-0166, 5305007630166, 007630166

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 14, 197200-763-016601852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-763-0166
Part Number Cage Code Manufacturer
6361073734FEDERAL SCREW PRODUCTS INC.
431-0251-00197896HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
Technical Data | NSN 5305-00-763-0166
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.203 INCHES MINIMUM
FASTENER LENGTH0.484 INCHES NOMINAL
HEAD STYLE9 UNDERCUT HEXAGON
HEAD DIAMETER0.275 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HEAD HEIGHT0.071 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.090 INCHES NOMINAL
SECOND DIAMETER FROM HEAD0.281 INCHES NOMINAL
SPECIAL FEATURESCONE POINT STYLE NO. 16
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT