NSN 5305-01-407-0277

Part Details | THUMBSCREW

5305-01-407-0277 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: 6085K13, HKS3117A, HKS-3117A, 5305-01-407-0277, 01-407-0277, 5305014070277, 014070277

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 19, 199501-407-027706673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

Cross Reference | NSN 5305-01-407-0277
Part Number Cage Code Manufacturer
6085K1339428MCMASTER-CARR SUPPLY COMPANY
HKS-3117A97557MORTON MACHINE WORKS
Technical Data | NSN 5305-01-407-0277
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.639 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
FASTENER LENGTH1.750 INCHES NOMINAL
HEAD STYLE4 HEXAGON COUNTERSUNK UNDERCUT
HEAD HEIGHT1.000 INCHES NOMINAL
WIDTH BETWEEN FLATS2.000 INCHES NOMINAL