NSN 5305-01-388-1569

Part Details | HEXAGON HEAD CAP SCREW

5305-01-388-1569 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: B1821AH075C175N, PMS90728001186, PMS90728001-186, PMS90728001186, PMS90728001-186, PMS90728001186, PMS90728001-186, 5305-01-388-1569, 01-388-1569, 5305013881569, 013881569

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 22, 199401-388-156918257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-388-1569
Part Number Cage Code Manufacturer
B1821AH075C175N80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
PMS90728001-18658794FASTENER TECHNOLOGY CORP.
PMS90728001-18604164RAYTHEON ELECTRONIC SYSTEMS, INC
PMS90728001-18618876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-01-388-1569
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH1.550 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FASTENER LENGTH1.750 INCHES NOMINAL
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH10
THREAD CLASS2A
HEAD HEIGHT0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD