5305-01-186-8542 SCREW,MACHINE Index 5325-01-186-8544 RING,RETAINING

National Stock Number:
5305-01-186-8543

Federal Supply Class:
5305

National Item Identification Number:
011868543

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:
LP14U066J1603038LONG-LOK, LLC


Techincal Specification:
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
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
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENT
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.845 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC
WIDTH ACROSS FLATS0.372 INCHES NOMINAL


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