NSN 5305-00-081-7193

Part Details | THUMBSCREW

5305-00-081-7193 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: 8635087, 5305-00-081-7193, 00-081-7193, 5305000817193, 000817193

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-081-719306673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-081-7193
Part Number Cage Code Manufacturer
863508719200US ARMY ARDEC RDECOM
Technical Data | NSN 5305-00-081-7193
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.772 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
FASTENER LENGTH0.843 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
POINT STYLE8 FLAT
SPECIAL FEATURESSUPPLY WITH PLASTIC PELLET TYPE LOCKING ELEMENT LOCATED IN THREADS