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National Stock Number:
5305-01-494-3343
Federal Supply Class:
5305
National Item Identification Number:
014943343
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:
| 11827C5-17A | 59563 | REID PRODUCTS INC. | | 3M1169C5-17A | 76301 | THE BOEING COMPANY | | TX1026C5-17A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026C5-17A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C5-17A | 0PTK6 | SPS TECHNOLOGIES INC | | GS1006C5-17A | 1EM77 | B & B SPECIALTIES INC | | TX1026C5-17A | 27624 | SPS TECHNOLOGIES LLC | | TX1026C5-17A | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.517 INCHES MINIMUM AND 1.547 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 1.0615 INCHES MINIMUM AND 1.0635 INCHES MAXIMUM | | HEAD DIAMETER | 0.623 INCHES MINIMUM AND 0.634 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEGREE TENSION HEAD, GEAR DRIVE RECESS-PH13-8MO(125 KSI SHEAR)INCONEL 718 (125 KSI SHEAR),6AL-4V TITANIUM (95 KSI SHEAR) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5622 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | SPLINE MAJOR DIAMETER | 0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM | | SPLINE MINOR DIAMETER | 0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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