NSN 5305-01-139-2048

Part Details | HEXAGON HEAD CAP SCREW

5305-01-139-2048 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: FFS85, FF-S-85, MS51106460, MS51106-460, 5305-01-139-2048, 01-139-2048, 5305011392048, 011392048

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 27, 198201-139-204818257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-139-2048
Part Number Cage Code Manufacturer
FF-S-8581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS51106-46096906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5305-01-139-2048
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
THREAD LENGTH1.563 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FASTENER LENGTH1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATAY2$JST10P