5305-01-294-3037, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-294-3037

Federal Supply Class:
5305

National Item Identification Number:
012943037

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:

NAS1191-3P7	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1191-3P7B	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.345 INCHES MINIMUM AND
	0.438 INCHES MAXIMUM
FASTENER LENGTH	0.407 INCHES MINIMUM AND
	0.438 INCHES MAXIMUM
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	STEEL COMP 4140 OR
	STEEL COMP E4340 OR
	STEEL COMP 8740 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	CADMIUM AND
	CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	PAN NO. 2
HEAD DIAMETER	0.306 INCHES MINIMUM AND
	0.313 INCHES MAXIMUM
HEAD HEIGHT	0.103 INCHES MINIMUM AND
	0.118 INCHES MAXIMUM
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	PATCH THREADS
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES GRIP
	32.0 MICROINCHES THREADS
SPECIFICATION/STANDARD DATA	80205-NAS1191 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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