5340-01-428-2146 BRACKET,MOUNTING Index 5310-01-428-2148 NUT,SELF-LOCKING,PLATE

National Stock Number:
5305-01-428-2147

Federal Supply Class:
5305

National Item Identification Number:
014282147

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:
21103833453711NAVAL SEA SYSTEMS COMMAND
754-6407102 ITEM 2953711NAVAL SEA SYSTEMS COMMAND
FF-S-86 YIV81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.359 INCHES MINIMUM AND 0.411 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNRC


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