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National Stock Number:
5305-01-514-3359
Federal Supply Class:
5305
National Item Identification Number:
015143359
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:
| 11923-4-9 | 59563 | REID PRODUCTS INC. | | HT4027-4-9 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-4-9 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-4-9 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4027-4-9 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-4-9 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M557-4-9 | 007R1 | TWIST TITE MFG, INC | | ST3M557-4-9 | 06710 | VALLEY-TODECO, INC. | | ST3M557-4-9 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-4-9 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4027-4-9 | 73197 | HI-SHEAR CORPORATION | | HT4027-4-9 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-4-9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-4-9 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M557-4-9 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-4-9 | 27624 | SPS TECHNOLOGIES LLC | | ST3M557-4-9 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-4-9 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4027-4-9 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M557-4-9 | 76301 | THE BOEING COMPANY | | ST3M557-4-9 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE |
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Techincal Specification:
| FASTENER LENGTH | 1.031 INCHES NOMINAL | | GRIP DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | GRIP LENGTH | 0.562 INCHES NOMINAL | | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | | HEAD HEIGHT | 0.015 INCHES NOMINAL | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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