NSN 5305-00-232-2849

Part Details | THUMBSCREW

5305-00-232-2849 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: 1327111, 132711-1, 5305-00-232-2849, 00-232-2849, 5305002322849, 002322849

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 24, 197100-232-284906673 ( THUMBSCREW )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK UNDERCUT

FLAT

Cross Reference | NSN 5305-00-232-2849
Part Number Cage Code Manufacturer
132711-109205LOCKHEED MARTIN CORPELECTRONICS AND MISSILES DIV
Technical Data | NSN 5305-00-232-2849
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.309 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
FASTENER LENGTH2.380 INCHES NOMINAL
HEAD STYLE6 HEXAGON COUNTERSUNK UNDERCUT
HEAD DIAMETER1.380 INCHES NOMINAL
HEAD HEIGHT0.560 INCHES NOMINAL
POINT STYLE9 FLAT
SPECIAL FEATURESBEARING SURFACE OF HEAD UNDERCUT 0.156 IN. DEEP BY 0.870 IN. DIA.