5305-01-067-5195, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-067-5195

Federal Supply Class:
5305

National Item Identification Number:
010675195

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Manufacturer Information:

NAS1151-9	04348	LAWRENCE ENGINEERING AND SUPPLY INC
NAS1151-9	07851	NOR-CAL SUPPLY CO
NAS1151-9	08938	AIR INDUSTRIES CO INC
NAS1151-9	17446	HUCK INTERNATIONAL, INC
NAS1151-9	30902	F AND C SALES INC
NAS1151-9	50568	APCOM INC
NAS1151-9	53606	PLASTIC AND METAL PRODUCTS CORPORATION
NAS1151-9	56878	SPS TECHNOLOGIES, LLC
NAS1151-9	58998	FASTENER INNOVATION TECHNOLOGY, INC.
NAS1151-9	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1151-9	80539	SPS TECHNOLOGIES, LLC
NAS1151-9	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
NAS1151-9	97928	HUCK INTL INC
NASS151-9	73197	HI-SHEAR CORPORATION
NASS151-9	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.823 INCHES MINIMUM AND 0.853 INCHES MAXIMUM
GRIP DIAMETER	0.1365 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM
GRIP LENGTH	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.221 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
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 OVERALL
MATERIAL	STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS1151 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD LENGTH	0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNJC
THREAD QUANTITY PER INCH	32

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