|
|
|
National Stock Number:
5305-00-575-4485
Federal Supply Class:
5305
National Item Identification Number:
005754485
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:
| 4017-08-6 | 56878 | SPS TECHNOLOGIES, LLC | | HT4017-08-6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4017-08-6 | 17446 | HUCK INTERNATIONAL, INC | | HT4017-08-6 | 27624 | SPS TECHNOLOGIES LLC | | HT4017-08-6 | 73197 | HI-SHEAR CORPORATION | | HT4017-08-6 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4017-08-60 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M649-08-6 | 76301 | THE BOEING COMPANY | | HT4017-08-6 | 97928 | HUCK INTL INC | | HT4017-08-6 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
|
Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.672 INCHES MINIMUM AND 0.702 INCHES MAXIMUM | | GRIP DIAMETER | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM | | GRIP LENGTH | 0.365 INCHES MINIMUM AND 0.385 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 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | THREAD CLASS | 3A | | THREAD LENGTH | 0.287 INCHES MINIMUM AND 0.337 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
|
|