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National Stock Number:
5305-01-160-7561
Federal Supply Class:
5305
National Item Identification Number:
011607561
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.
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Manufacturer Information:
| 11907-5L18 | 59563 | REID PRODUCTS INC. | | 11907-5L18-1 | 59563 | REID PRODUCTS INC. | | 11923-5-18 | 59563 | REID PRODUCTS INC. | | HT4024L5-18 | 73197 | HI-SHEAR CORPORATION | | HT4024L5-18 | 80539 | SPS TECHNOLOGIES, LLC | | HT4024L5-18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-5-18 | 06725 | SPS TECHNOLOGIES, LLC | | HT4024L5-18-1 | 17446 | HUCK INTERNATIONAL, INC | | HT4024L5-18-1 | 73197 | HI-SHEAR CORPORATION | | HT4024L5-18-1 | 80539 | SPS TECHNOLOGIES, LLC | | HT4024L5-18-1 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L5-18-1 | 97928 | HUCK INTL INC | | HT4024L5-18 | 97928 | HUCK INTL INC | | HT4024L5-18-1 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M557-5-18 | 06710 | VALLEY-TODECO, INC. | | HT4027-5-18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M557-5-18 | 0H6Z0 | SAMAC INC | | ST3M455-5L18-1 | 0HL40 | MECAIR AEROSPACE INDUSTRIES SUBSIDIARY OF SPS TECHNOLOGIES DIV D SPS TECHNOLOGIES DBA MECAIR INC. | | ST3M455-5L18-1 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M557-5-18 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4027-5-18 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-5-18 | 27624 | SPS TECHNOLOGIES LLC | | HT4027-5-18 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M455-5L18-1 | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-5-18 | 73197 | HI-SHEAR CORPORATION | | ST3M455-5L18-1 | 76301 | THE BOEING COMPANY | | ST3M455-5L18 | 76301 | THE BOEING COMPANY | | HT4027-5-18 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-5-18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-5-18 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M557-5-18 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-5-18 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | WC4027-5-18 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M557-5-18 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.506 INCHES MINIMUM AND | | 0.556 INCHES MAXIMUM | | FASTENER LENGTH | 2.172 INCHES MINIMUM AND | | 2.202 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 23M112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND | | 0.477 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 1.646 INCHES MINIMUM AND | | 1.666 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND | | 0.3120 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 73197 | | DESIGN CONTROL REFERENCE | HT4024L5-18-1 |
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