NSN 5305-01-377-3778

Part Details | SOCKET HEAD CAP SCREW

5305-01-377-3778 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: FFS86, FF-S-86, NAS135210LE28P, NAS1352-10LE28P, 5164775907 ITEM 44, 516-4775907 ITEM 44, 5305-01-377-3778, 01-377-3778, 5305013773778, 013773778

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 15, 199301-377-377816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-377-3778
Part Number Cage Code Manufacturer
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
NAS1352-10LE28P80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
516-4775907 ITEM 4480064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5305-01-377-3778
Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.750 INCHES NOMINAL
FASTENER LENGTH1.750 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM