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National Stock Number:
5305-01-356-7209
Federal Supply Class:
5305
National Item Identification Number:
013567209
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.
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Manufacturer Information:
| 03A173-3-5 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A173-3-5 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | AIC1651-3-5 | 06725 | SPS TECHNOLOGIES, LLC | | E008-3-5 | 17446 | HUCK INTERNATIONAL, INC | | BF0015HC3-3-5 | 62384 | LFC INDUSTRIES INC. | | 123742-3-5 | 80539 | SPS TECHNOLOGIES, LLC | | SC3103-3-5 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | SLB216-3-5 | 16258 | SPACE-LOK, INC. | | PBF1416-3-5 | 27624 | SPS TECHNOLOGIES LLC | | HR239-3-5 | 73197 | HI-SHEAR CORPORATION | | E008-3-5 | 97928 | HUCK INTL INC | | HR239-3-5 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD DIAMETER | 0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS5731 ASSN STD 2ND MATERIAL RESPONSE FASTENER | | MATERIAL | IRON ALLOY 660 FASTENER | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | SURFACE TREATMENT | PASSIVATE FASTENER | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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