5305-00-918-4945, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-918-4945

Federal Supply Class:
5305

National Item Identification Number:
009184945

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:

FFS92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
LL515PB5-3	16941	LONG-LOK LLC

Techincal Specification:

DEPARTURE FROM CITED DESIGNATOR	AS MOD BY LOCKING FEATURE
FASTENER LENGTH	0.188 INCHES NOMINAL
HEAD DIAMETER	0.217 INCHES MINIMUM AND 0.236 INCHES MAXIMUM
HEAD HEIGHT	0.095 INCHES NOMINAL
HEAD STYLE	ROUND
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY OVERALL
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.125 INCHES
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND 1C STYLE
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.138 INCHES MINIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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