NSN 5305-00-275-5397

Part Details | THUMBSCREW

5305-00-275-5397 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: 43S1913295, 43S19132-95, 5305-00-275-5397, 00-275-5397, 5305002755397, 002755397

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-275-539706673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON

FLAT

Cross Reference | NSN 5305-00-275-5397
Part Number Cage Code Manufacturer
43S19132-9510001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-275-5397
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.562 INCHES MINIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD STYLE7 DOUBLE HEXAGON
HEAD HEIGHT0.500 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
POINT STYLE9 FLAT