5305-01-318-8246 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-318-8248 SETSCREW

National Stock Number:
5305-01-318-8247

Federal Supply Class:
5305

National Item Identification Number:
013188247

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:
3176209-C-56910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
5305PL12906519009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.364 INCHES MINIMUM AND
0.464 INCHES MAXIMUM
FASTENER LENGTH0.625 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
STEEL COMP 302 OR
STEEL COMP 304 OR
STEEL COMP 305 OR
STEEL COMP 316 OR
STEEL COMP 384 OR
STEEL COMP XM-7 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENTPASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING80.0 ROCKWELL B MINIMUM FASTENER
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.480 INCHES MINIMUM AND
0.531 INCHES MAXIMUM
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
LOCKING FEATUREPATCH THREADS


Click here to Register for Free 30-day Trial