5305-01-042-4438 SCREW,CLOSE TOLERANCE Index 5305-01-042-4440 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-042-4439

Federal Supply Class:
5305

National Item Identification Number:
010424439

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:
67077-3-1856878SPS TECHNOLOGIES, LLC
67077-3-1880539SPS TECHNOLOGIES, LLC
BM21009-3-1817446HUCK INTERNATIONAL, INC
BM21009-3-1897928HUCK INTL INC
GB511J3-1826512NORTHROP GRUMMAN SYSTEMS CORPORATION
HT193LB3-1873197HI-SHEAR CORPORATION
HT193LB3-18L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT8099-3-1892215HOWMET GLOBAL FASTENING SYSTEMS INC
NAS1578V31880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
T151-3-1817446HUCK INTERNATIONAL, INC
T151-3-1897928HUCK INTL INC


Techincal Specification:
MATERIALTITANIUM ALLOY UNS R54520 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SPECIAL FEATURESDRY FILM LUBRICANT
SPECIFICATION/STANDARD DATA26512-GB511J PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH32.0 MICROINCHES GRIP
THREAD SERIES DESIGNATORUNJC


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