5305-01-215-9814 SCREW,CLOSE TOLERANCE Index 5305-01-215-9816 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-215-9815

Federal Supply Class:
5305

National Item Identification Number:
012159815

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:
11839V4-9-1959563REID PRODUCTS INC.
3M1034V4-9-1976301THE BOEING COMPANY
HT4075V4-9-1906950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4075V4-9-1956878SPS TECHNOLOGIES, LLC
HT4075V4-9-1973197HI-SHEAR CORPORATION
HT4075V4-9-1980539SPS TECHNOLOGIES, LLC
HT4075V4-9-1992215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4075V4-9-19L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.016 INCHES MINIMUM AND 1.046 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICSMRCS
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


Click here to Register for Free 30-day Trial