5305-01-292-6327, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-292-6327

Federal Supply Class:
5305

National Item Identification Number:
012926327

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:

122966A6-12	80539	SPS TECHNOLOGIES, LLC
AMS2800A612	1FY45	AERO MECHANICAL FASTENING SYSTEMS INC
GB511DU6-12	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
GB511DU6-12	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
GB511DU6-12	27624	SPS TECHNOLOGIES LLC
GB511DU6-12	73197	HI-SHEAR CORPORATION
SC2174A6-12	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
PBF1355A6-12	27624	SPS TECHNOLOGIES LLC
MATP111A6-12	58845	ABOUNDING SECURITY INC DIV OF MAA CORP
HR217A6-12	73197	HI-SHEAR CORPORATION
NAS1578A6-12P	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1578A6R12	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
GB511DU6-12	80539	SPS TECHNOLOGIES, LLC

Techincal Specification:

FASTENER LENGTH	1.329 INCHES MINIMUM AND 1.359 INCHES MAXIMUM
GRIP LENGTH	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
GRIP DIAMETER	0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
HEAD HEIGHT	0.206 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
HEAD DIAMETER	0.722 INCHES MINIMUM AND 0.740 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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 DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.569 INCHES MINIMUM AND 0.619 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	24

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