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National Stock Number:
5305-01-539-4055
Federal Supply Class:
5305
National Item Identification Number:
015394055
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:
| 11885-3-L-14 | 59563 | REID PRODUCTS INC. | | 3M927-3-L-14 | 06710 | VALLEY-TODECO, INC. | | 3M927-3-L-14 | 0K6Z0 | SATURN FASTENERS INC | | 3M927-3-L-14 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M927-3-L-14 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M927-3-L-14 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | 3M927-3L14 | 007R1 | TWIST TITE MFG, INC | | HT4069-3-14A | 06725 | SPS TECHNOLOGIES, LLC | | HT4069-3-14A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4069-3-14A | 17446 | HUCK INTERNATIONAL, INC | | HT4069-3-14A | 27624 | SPS TECHNOLOGIES LLC | | 3M927-3-L-14 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M927-3L14 | 76301 | THE BOEING COMPANY | | 3M927-3-L-14 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | HT4069-3-14A | 56878 | SPS TECHNOLOGIES, LLC | | WC4069-3-14 | 60516 | WEST COAST AEROSPACE, INC. | | HT4069-3-14A | 73197 | HI-SHEAR CORPORATION | | HT4069-3-14A | 80539 | SPS TECHNOLOGIES, LLC | | HT4069-3-14A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4069-3-14A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.406 INCHES NOMINAL | | FASTENER LENGTH | 1.281 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-83488 TY 2 CLS 3 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FILLISTER COUNTERSUNK | | HEAD DIAMETER | 0.296 INCHES MINIMUM AND | | 0.301 INCHES MAXIMUM | | HEAD HEIGHT | 0.056 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 0.875 INCHES NOMINAL | | GRIP DIAMETER | 0.188 INCHES MINIMUM AND | | 0.189 INCHES MAXIMUM | | SPECIAL FEATURES | LUBRICANT- CETYL ALCOHOL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE 100 DEG COUNTERSUNK REDUCED HEAD, HI-TORQUE, NON MAGNETIC CRES, IVD ALUMINUM COATED |
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