NSN 5305-00-276-3283

Part Details | THUMBSCREW

5305-00-276-3283 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: 8Z938PC2, 5305-00-276-3283, 00-276-3283, 5305002763283, 002763283

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-276-328306673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

OVAL

Cross Reference | NSN 5305-00-276-3283
Part Number Cage Code Manufacturer
8Z938PC210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-276-3283
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
FASTENER LENGTH2.500 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
POINT STYLE2 OVAL
SPECIAL FEATURESDOG POINT 0.10 IN. PORM .005 BY 0.50 IN. PORM .010 LG
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT