NSN 5305-00-066-8173

Part Details | HEXAGON HEAD CAP SCREW

5305-00-066-8173 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: B1821BH125F500N, B18.24, AES01FA25E00AW9A91, 5305000668173, 5305000668173, FFS85, FF-S-85, MS90727281, MS90727-281, 5305-00-066-8173, 00-066-8173, 5305000668173, 000668173

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 05, 196700-066-817318257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-066-8173
Part Number Cage Code Manufacturer
B1821BH125F500N80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
B18.2405047AMERICAN SOCIETY OF MECHANICALENGINEERS, THE
AES01FA25E00AW9A9105047AMERICAN SOCIETY OF MECHANICALENGINEERS, THE
5305000668173A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
5305000668173SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
FF-S-8581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS90727-28196906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-00-066-8173
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
THREAD LENGTH2.750 INCHES MINIMUM AND 2.938 INCHES MAXIMUM
FASTENER LENGTH4.812 INCHES MINIMUM AND 5.000 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER1.250 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2A
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 8 GRADE