NSN 5305-00-381-5837

Part Details | THUMBSCREW

5305-00-381-5837 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: 245063, 655592, 5305-00-381-5837, 00-381-5837, 5305003815837, 003815837

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-381-583706673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-381-5837
Part Number Cage Code Manufacturer
24506356232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
65559210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-381-5837
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM
FASTENER LENGTH0.562 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.625 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
POINT STYLE9 FLAT