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National Stock Number:
5305-01-398-6338
Federal Supply Class:
5305
National Item Identification Number:
013986338
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:
| 03A098-12D37P | 06710 | VALLEY-TODECO, INC. | | 03A098-12D37P | 06725 | SPS TECHNOLOGIES, LLC | | 03A098-12D37P | 17446 | HUCK INTERNATIONAL, INC | | 03A098-12D37P | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A098-12D37P | 27624 | SPS TECHNOLOGIES LLC | | 03A098-12D37P | 57928 | SONIC INDUSTRIES, INC. | | AIC1653-12D37P | 06725 | SPS TECHNOLOGIES, LLC | | DF33003-12D37P | 17446 | HUCK INTERNATIONAL, INC | | 03A098-12D37P | 73197 | HI-SHEAR CORPORATION | | 03A098-12D37P | 80539 | SPS TECHNOLOGIES, LLC | | 123709-12D37P | 80539 | SPS TECHNOLOGIES, LLC | | DF33003-12D37P | 97928 | HUCK INTL INC | | 03A098-12D37P | 9N513 | VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC | | 03A098-12D37P | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VCJ0001-12D37P | 06710 | VALLEY-TODECO, INC. | | PBF1420-12D37P | 27624 | SPS TECHNOLOGIES LLC | | SII1188-12D37P | 57928 | SONIC INDUSTRIES, INC. | | MB209-12D37 | 73197 | HI-SHEAR CORPORATION | | VS3319-12D37P | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3319-12D37P | 9N513 | VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC | | MB209-12D37 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.914 INCHES NOMINAL | | FASTENER LENGTH | 3.211 INCHES MINIMUM AND | | 3.241 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYII,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | HEAD HEIGHT | 0.390 INCHES MINIMUM AND | | 0.410 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 1.096 INCHES NOMINAL | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | GRIP LENGTH | 2.297 INCHES MINIMUM AND | | 2.327 INCHES MAXIMUM | | GRIP DIAMETER | 0.7480 INCHES MINIMUM AND | | 0.7490 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES OVERALL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.072 INCHES MINIMUM AND | | 3.113 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND | | 0.146 INCHES MAXIMUM FIRST HOLE |
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