5305-00-273-5580 SCREW,CAP,SOCKET HEAD Index 5305-00-273-5583 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-273-5581

Federal Supply Class:
5305

National Item Identification Number:
002735581

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:
12Z1007-21710001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FFS86TYPE681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MILS933TYPEC81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 304 OR STEEL COMP 303 OVERALL
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA6 TYPE
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


Click here to Register for Free 30-day Trial