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National Stock Number:
5305-01-475-1148
Federal Supply Class:
5305
National Item Identification Number:
014751148
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:
| 106706T-7-28D | 80539 | SPS TECHNOLOGIES, LLC | | 124379-7D28 | 80539 | SPS TECHNOLOGIES, LLC | | GB510CE7-28D | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GB510FG7D28 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PBBF1202-7-28D | 27624 | SPS TECHNOLOGIES LLC | | HR204-7-28D | 73197 | HI-SHEAR CORPORATION | | VCL0009-7D28 | 06710 | VALLEY-TODECO, INC. | | SC1779-7-28D | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PBF1475-7D28 | 27624 | SPS TECHNOLOGIES LLC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.172 INCHES MINIMUM AND 1.219 INCHES MAXIMUM | | GRIP LENGTH | 0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | HEAD DIAMETER | 0.8884 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE CONFIGURATION STYLE | ROUND PERPENDICULAR | | HOLE DIAMETER | 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CLOSE TOLERANCE | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES HEAD | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.594 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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