5305-01-554-3977 SCREW,CAP,HEXAGON HEAD Index 5305-01-555-8987 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-555-7302

Federal Supply Class:
5305

National Item Identification Number:
015557302

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
HH6602550631QYC9ATLANTIC FASTENERS CO LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.460 INCHES NOMINAL
FASTENER LENGTH0.625 INCHES NOMINAL
MATERIALSTEEL COMP 316 OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.505 INCHES NOMINAL
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


Click here to Register for Free 30-day Trial