|
|
|
National Stock Number:
5305-01-108-2523
Federal Supply Class:
5305
National Item Identification Number:
011082523
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:
| 110179-4-11 | 56878 | SPS TECHNOLOGIES, LLC | | 110179-4-11 | 80539 | SPS TECHNOLOGIES, LLC | | BM33024V4-11 | 17446 | HUCK INTERNATIONAL, INC | | HT271-4-11 | 73197 | HI-SHEAR CORPORATION | | BM33024V4-11 | 97928 | HUCK INTL INC | | 110179-4-11 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT8137-4-11 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M430V-11D | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M430V-11D | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M430V-11D | 60516 | WEST COAST AEROSPACE, INC. | | ST3M430V4-11D | 76301 | THE BOEING COMPANY | | HT8137-4-11 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M430V-11D | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT271-4-11 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
|
Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM | | HEAD HEIGHT | 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | | HEAD DIAMETER | 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 28 |
|
|