NSN 5305-01-010-7256

Part Details | THUMBSCREW

5305-01-010-7256 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: 6570090074101, 65700-90074-101, 5305-01-010-7256, 01-010-7256, 5305010107256, 010107256

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 05, 197501-010-725606673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

OVAL

Cross Reference | NSN 5305-01-010-7256
Part Number Cage Code Manufacturer
65700-90074-10178286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 5305-01-010-7256
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM
FASTENER LENGTH3.620 INCHES MINIMUM AND 3.640 INCHES MAXIMUM
HEAD STYLE9 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
HEAD HEIGHT0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
POINT STYLE2 OVAL