5305-01-234-3073, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-234-3073

Federal Supply Class:
5305

National Item Identification Number:
012343073

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:

NK503-8-8M

26233

NYLOK LLC

Techincal Specification:

FASTENER LENGTH	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD DIAMETER	0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT	0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	SLOT
LOCKING FEATURE	PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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