5305-01-266-5359, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-266-5359

Federal Supply Class:
5305

National Item Identification Number:
012665359

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:

11907-3D7-1	59563	REID PRODUCTS INC.
11907-3DL7-1	59563	REID PRODUCTS INC.
HT4024L-3D7	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L-3D7	73197	HI-SHEAR CORPORATION
HT4024L-3D7	80539	SPS TECHNOLOGIES, LLC
HT4024L-3D7	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M455-3DL7-1	17446	HUCK INTERNATIONAL, INC
HT4024L-3D7-1	73197	HI-SHEAR CORPORATION
ST3M455-3D7-1	76301	THE BOEING COMPANY
HT4024L3D7-1	80539	SPS TECHNOLOGIES, LLC
HT4024L3D7-1	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L-3D7	97928	HUCK INTL INC
HT4024L-3D7	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4024L-3D7-1	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M455-3DL7-1	76301	THE BOEING COMPANY
ST3M455-3DL7-1	K5676	CMP PRODUCTS A DIVISION OF BRITISH ENGINES LTD

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.717 INCHES MINIMUM AND 0.738 INCHES MAXIMUM FIRST HOLE
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.828 INCHES MINIMUM AND 0.859 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP DIAMETER	0.189 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
GRIP LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
HEAD DIAMETER	0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 UNS S13800 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA	76301-ST3-455 MANUFACTURERS STANDARD AND 73197-HT4024L MANUFACTURERS STANDARD
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	0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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