NSN 5305-00-256-7295

Part Details | THUMBSCREW

5305-00-256-7295 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: 44113, H385, 875182, 5305-00-256-7295, 00-256-7295, 5305002567295, 002567295

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 26, 197100-256-729506673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-256-7295
Part Number Cage Code Manufacturer
4411396027NORTHWESTERN TOOLS INC.
H38596027NORTHWESTERN TOOLS INC.
87518209786ORDNANCE SUPPLY OFFICE
Technical Data | NSN 5305-00-256-7295
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH3.922 INCHES MINIMUM AND 3.984 INCHES MAXIMUM
FASTENER LENGTH4.876 INCHES MINIMUM AND 4.938 INCHES MAXIMUM
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.875 INCHES NOMINAL
HEAD HEIGHT0.312 INCHES NOMINAL
POINT STYLE1 FLAT
POINT LENGTH0.266 INCHES NOMINAL
POINT DIAMETER0.308 INCHES NOMINAL
SPECIAL FEATURESPOINT GROOVED FOR RETAINING SPRING