5305-01-133-9446 SCREW,CLOSE TOLERANCE Index 5305-01-133-9448 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-133-9447

Federal Supply Class:
5305

National Item Identification Number:
011339447

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:
10115359A486GNIMIKKEISTOKESKUS NCB FINLAND
11905-4DL1059563REID PRODUCTS INC.
HT4025L4D1006950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L4D100PTK6SPS TECHNOLOGIES INC
HT4025L4D1073197HI-SHEAR CORPORATION
HT4025L4D1080539SPS TECHNOLOGIES, LLC
ST3M454-4DL1006710VALLEY-TODECO, INC.
ST3M454-4DL1006725SPS TECHNOLOGIES, LLC
ST3M454-4DL100ZC92HEARTLAND PRECISION FASTENERS INC
ST3M454-4DL1017446HUCK INTERNATIONAL, INC
HT4025L4D1092215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L4D1097928HUCK INTL INC
HT4025L4D10K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4025L4D10L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M454-4DL101VSL7HOUSTON PRECISION FASTENERS I LP
ST3M454-4DL1027624SPS TECHNOLOGIES LLC
ST3M454-4DL1056878SPS TECHNOLOGIES, LLC
ST3M454-4DL1058998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M454-4DL1060516WEST COAST AEROSPACE, INC.
WC4025L-4D1060516WEST COAST AEROSPACE, INC.
ST3M454-4DL1076301THE BOEING COMPANY
ST3M454-4DL1092215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-4DL10K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.958 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 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 LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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