5305-01-131-2206 SCREW,CLOSE TOLERANCE Index 5305-01-131-2208 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-131-2207

Federal Supply Class:
5305

National Item Identification Number:
011312207

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:
10115269A486GNIMIKKEISTOKESKUS NCB FINLAND
106830-5-2280539SPS TECHNOLOGIES, LLC
BM19037-5-2217446HUCK INTERNATIONAL, INC
11905-5L2259563REID PRODUCTS INC.
HT295-5-2273197HI-SHEAR CORPORATION
BM19037-5-2297928HUCK INTL INC
HT4025L5-2206950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L5-220PTK6SPS TECHNOLOGIES INC
HT4025L5-2273197HI-SHEAR CORPORATION
HT4025L5-2280539SPS TECHNOLOGIES, LLC
HT4025L5-2292215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L5-2297928HUCK INTL INC
HT4025L5-22K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT295-5-22L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT8140-5-2206950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-5L2258998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M454-5L2259563REID PRODUCTS INC.
WC4025L-5-2260516WEST COAST AEROSPACE, INC.
ST3M454-5L2276301THE BOEING COMPANY
HT8140-5-2292215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L5-22L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.891 INCHES MINIMUM AND 1.921 INCHES MAXIMUM
GRIP LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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