5305-01-192-1428 SCREW,CLOSE TOLERANCE Index 5305-01-192-1430 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-192-1429

Federal Supply Class:
5305

National Item Identification Number:
011921429

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:
3M945-12D5776301THE BOEING COMPANY
HT4073-12D5773197HI-SHEAR CORPORATION
HT4073-12D5780539SPS TECHNOLOGIES, LLC
HT4073-12D5792215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4073-12D57L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.999 INCHES MINIMUM AND 4.029 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH4.124 INCHES MINIMUM AND 4.144 INCHES MAXIMUM
GRIP DIAMETER0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM
GRIP LENGTH3.552 INCHES MINIMUM AND 3.572 INCHES MAXIMUM
HEAD HEIGHT0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
HEAD DIAMETER1.170 INCHES MINIMUM AND 1.190 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.552 INCHES MINIMUM AND 0.592 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH16


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us