NSN 5305-00-055-2985

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-055-2985 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: H538307, H538-30-7, 85065331, 8506533-1, 55493, 55-493, 85065331, 8506533-1, 5305-00-055-2985, 00-055-2985, 5305000552985, 000552985

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 25, 196700-055-298501852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-055-2985
Part Number Cage Code Manufacturer
H538-30-783014HARTWELL CORPORATION
8506533-111447L3 TECHNOLOGIES, INC.DBA COMMUNICATION SYSTEMS - EAST
55-49395922LAKEWOOD ENGINEERING & MFG CO INC
8506533-149671LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 5305-00-055-2985
Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.500 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
POINT STYLE9 FLAT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FEATURES PROVIDED LOCK WASHER