5305-01-428-7164 SCREW,CAP,SOCKET HEAD Index 5331-01-428-7166 O-RING

National Stock Number:
5305-01-428-7165

Federal Supply Class:
5305

National Item Identification Number:
014287165

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:
21106878453711NAVAL SEA SYSTEMS COMMAND
595-6401267 ITEM 253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.068 INCHES MINIMUM AND
1.250 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
NICKEL ALLOY K-500 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
HARDNESS RATING24.0 ROCKWELL C NOMINAL OVERALL
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.921 INCHES MINIMUM AND
0.938 INCHES MAXIMUM
HEAD HEIGHT0.616 INCHES MINIMUM AND
0.625 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.500 INCHES NOMINAL
LOCKING FEATUREPATCH OR
STRIP OR
PELLET THREADS


Click here to Register for Free 30-day Trial