|
|
|
National Stock Number:
5305-01-101-8536
Federal Supply Class:
5305
National Item Identification Number:
011018536
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:
| 11907-7L12M | 59563 | REID PRODUCTS INC. | | HT4024L7-12M | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L7-12M | 17446 | HUCK INTERNATIONAL, INC | | HT4024L7-12M | 56878 | SPS TECHNOLOGIES, LLC | | HT4024L7-12M | 73197 | HI-SHEAR CORPORATION | | HT4024L7-12M | 80539 | SPS TECHNOLOGIES, LLC | | ST3M455-7L12M | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M455-7L12M | 17446 | HUCK INTERNATIONAL, INC | | ST3M455-7L12M | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M455-7L12M | 76301 | THE BOEING COMPANY | | HT4024L7-12M | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L7-12M | 97928 | HUCK INTL INC | | ST3M455-7L12M | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4024L7-12M | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4024L7-12M | 60516 | WEST COAST AEROSPACE, INC. |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.631 INCHES MINIMUM AND | | 0.681 INCHES MAXIMUM | | FASTENER LENGTH | 1.391 INCHES MINIMUM AND | | 1.421 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.612 INCHES MINIMUM AND | | 0.672 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 0.740 INCHES MINIMUM AND | | 0.760 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND | | 0.4370 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPECIAL FEATURES | DRY FILM LUBRICANT APPLIED TO SHANK AND THREADS |
|
|