5305-01-105-6648 SCREW,MACHINE Index 5305-01-105-6651 SCREW,TAPPING

National Stock Number:
5305-01-105-6649

Federal Supply Class:
5305

National Item Identification Number:
011056649

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:
413-4491195 PIECE 725685NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.568 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
NOMINAL THREAD DIAMETER0.312 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.476 INCHES MINIMUM AND 0.559 INCHES MAXIMUM


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