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National Stock Number:
5305-01-591-1409
Federal Supply Class:
5305
National Item Identification Number:
015911409
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:
| 11923-6-23 | 59563 | REID PRODUCTS INC. | | HT4027-6-23 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-6-23 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-6-23 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-6-23 | 27624 | SPS TECHNOLOGIES LLC | | HT4027-6-23 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M557-6-23 | 06710 | VALLEY-TODECO, INC. | | ST3M557-6-23 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-6-23 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M557-6-23 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | HT4027-6-23 | 73197 | HI-SHEAR CORPORATION | | HT4027-6-23 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-6-23 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-6-23 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M557-6-23 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | WC4027-6-23 | 60519 | FARBEST CORP SUB OF KAISER INDUSTRIES CORP | | ST3M557-6-23 | 76301 | THE BOEING COMPANY | | ST3M557-6-23 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 2.064 INCHES MINIMUM AND 2.094 INCHES MAXIMUM | | GRIP DIAMETER | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | GRIP LENGTH | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM | | HEAD DIAMETER | 0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM | | HEAD HEIGHT | 0.018 INCHES MAXIMUM | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FSU) | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAS 2700 METHOD 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.641 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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