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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 | | HT4024L5-18 | 97928 | HUCK INTL INC | | 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 | | HT4024L5-18-1 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4027-5-18 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-5-18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-5-18 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-5-18 | 27624 | SPS TECHNOLOGIES LLC | | HT4027-5-18 | 56878 | SPS TECHNOLOGIES, LLC | | HT4027-5-18 | 73197 | HI-SHEAR CORPORATION | | 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 | | ST3M455-5L18 | 76301 | THE BOEING COMPANY | | 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 | | ST3M455-5L18-1 | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M455-5L18-1 | 76301 | THE BOEING COMPANY | | ST3M557-5-18 | 06710 | VALLEY-TODECO, INC. | | ST3M557-5-18 | 0H6Z0 | SAMAC INC | | ST3M557-5-18 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M557-5-18 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-5-18 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-5-18 | 76301 | THE BOEING COMPANY | | WC4027-5-18 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 2.172 INCHES MINIMUM AND 2.202 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 1.646 INCHES MINIMUM AND 1.666 INCHES MAXIMUM | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.477 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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