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National Stock Number:
5305-01-071-0866
Federal Supply Class:
5305
National Item Identification Number:
010710866
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:
| 5305PL0844194 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 9155M23P03 | 06725 | SPS TECHNOLOGIES, LLC | | 9155M23P03 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 9155M23P03 | 07482 | GENERAL ELECTRIC COMPANY | | 9155M23P03 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | | 9155M23P03 | 56878 | SPS TECHNOLOGIES, LLC | | 9155M23P03 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | C50TF13 CL B MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.480 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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