NSN 5305-01-088-1966

Part Details | THUMBSCREW

5305-01-088-1966 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Alternate Parts: 13047917, 5305-01-088-1966, 01-088-1966, 5305010881966, 010881966

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 08, 198001-088-196606673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-01-088-1966
Part Number Cage Code Manufacturer
1304791718876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5305-01-088-1966
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.375 INCHES NOMINAL
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.250 INCHES NOMINAL
HEAD HEIGHT0.437 INCHES NOMINAL
POINT STYLE FLAT
POINT LENGTH0.031 INCHES NOMINAL
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL