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National Stock Number:
5306-01-599-4567
Federal Supply Class:
5306
National Item Identification Number:
015994567
Description:
BOLT,CLOSE TOLERANCE
Detail:
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
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Manufacturer Information:
| 3M1277-5D13A | 06710 | VALLEY-TODECO, INC. | | 3M1277-5D13A | 0K6Z0 | SATURN FASTENERS INC | | 3M1277-5D13A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1277-5D13A | 1EM77 | B & B SPECIALTIES INC | | 3M1277-5D13A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1277-5D13A | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | TX1027E-5D-13A | 06725 | SPS TECHNOLOGIES, LLC | | TX1027E-5D-13A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027E-5D-13A | 56878 | SPS TECHNOLOGIES, LLC | | WC1277E-5D-13A | 60516 | WEST COAST AEROSPACE, INC. | | TX1027E-5D-13A | 73197 | HI-SHEAR CORPORATION | | 3M1277E5D13A | 76301 | THE BOEING COMPANY | | TX1027E-5D-13A | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.281 INCHES NOMINAL | | GRIP LENGTH | 0.812 INCHES NOMINAL | | GRIP DIAMETER | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM | | HEAD DIAMETER | 0.4645 INCHES MINIMUM AND 0.4739 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.076 INCHES NOMINAL | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-87132, TYPE 1, GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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