NSN 5305-00-987-0071

Part Details | EXTERNALLY RELIEVED BODY SCREW

5305-00-987-0071 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: 6151SS25287, 6151-SS-2528-7, 6151SS2528, 3221651, 322165-1, 5265828013, 5265828-013, 6151SS25287, 6151-SS-2528-7, 6159SS2528MODE716, 6159-SS-2528-MOD-E-7/16, 6151SS2528, GS553L4FC18B, 6151SS2528, 6151-SS-2528, 5305-00-987-0071, 00-987-0071, 5305009870071, 009870071

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 02, 196600-987-007101852 ( SCREW, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-987-0071
Part Number Cage Code Manufacturer
6151-SS-2528-71YGB8CAREY MANUFACTURING COMPANY, INC.DBA AMATOM ELECTRONIC HARDWARE
6151SS25281YGB8CAREY MANUFACTURING COMPANY, INC.DBA AMATOM ELECTRONIC HARDWARE
322165-180020NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2
5265828-01353711NAVAL SEA SYSTEMS COMMAND
6151-SS-2528-706540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
6159-SS-2528-MOD-E-7/1606540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
6151SS252806540NEW HAVEN MFG CORPAMATOM ELECTRONIC HARDWARE DIV
GS553L4FC18B26512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
6151-SS-2528D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-00-987-0071
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.375 INCHES MINIMUM
FASTENER LENGTH1.125 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.562 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
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 DIAMETER0.750 INCHES NOMINAL