NSN 5305-01-321-4107

Part Details | HEXAGON HEAD CAP SCREW

5305-01-321-4107 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, MS5109969, MS51099-69, MS5109969, MS51099-69, 5305-01-321-4107, 01-321-4107, 5305013214107, 013214107

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 18, 199001-321-410718257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5305-01-321-4107
Part Number Cage Code Manufacturer
FF-S-8581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS51099-6996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS51099-6980205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-321-4107
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH0.812 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FASTENER LENGTH3.156 INCHES MINIMUM AND 3.250 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.0605 INCHES MINIMUM AND 0.0685 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD