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National Stock Number:
5305-01-622-2801
Federal Supply Class:
5305
National Item Identification Number:
016222801
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:
| 120-225C3R16 | 06725 | SPS TECHNOLOGIES, LLC | | 120-225C3R16 | 0K6Z0 | SATURN FASTENERS INC | | 120-225C3R16 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 120-225C3R16 | 1EM77 | B & B SPECIALTIES INC | | 120-225C3R16 | 1ER65 | 3-V FASTENER CO., INC. | | 120-225C3R16 | 1GP79 | PILGRIM SCREW CORP | | 120-225C3R16 | 27624 | SPS TECHNOLOGIES LLC | | 120-225C3R16 | 47253 | PILGRIM SCREW CORPORATION | | 120-225C3R16 | 56878 | SPS TECHNOLOGIES, LLC | | 120-225C3R16 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 120-225C3R16 | 62206 | B & B SPECIALTIES INC | | 120-225C3R16 | 62384 | LFC INDUSTRIES INC. | | 120-225C3R16 | 80539 | SPS TECHNOLOGIES, LLC | | 120-225C3R16 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.1900 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.468 INCHES NOMINAL | | FASTENER LENGTH | 1.031 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | ROUND EXTENDED WASHER | | HEAD DIAMETER | 0.437 INCHES NOMINAL | | HEAD HEIGHT | 0.089 INCHES MINIMUM AND | | 0.099 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND | | 0.030 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.375 INCHES NOMINAL | | CHAMFER ANGLE | 0.039 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | CRUCIFORM RIBBED | | GRIP LENGTH | 0.563 INCHES NOMINAL | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CLOSE TOLERANCE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 97499 | | MFR SOURCE CONTROLLING REFERENCE | 120-225C3R16 |
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