|
|
|
National Stock Number:
5306-01-628-5490
Federal Supply Class:
5306
National Item Identification Number:
016285490
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.
|
Manufacturer Information:
| 3M1275E5D20A | 1EM77 | B & B SPECIALTIES INC | | 3M1275E5D20A | 76301 | THE BOEING COMPANY | | TX1026E5D20A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026E5D20A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026E5D20A | 27624 | SPS TECHNOLOGIES LLC | | TX1026E5D20A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026E5D20A | 73197 | HI-SHEAR CORPORATION | | TX1026E5D20A | 80539 | SPS TECHNOLOGIES, LLC |
|
Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | AGAV | | FASTENER LENGTH | 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT | | GRIP DIAMETER | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM | | GRIP LENGTH | 1.250 INCHES NOMINAL | | HEAD DIAMETER | 0.6230 INCHES MINIMUM AND 0.6335 INCHES MAXIMUM | | HEAD HEIGHT | 0.120 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEGREE TENSION HEAD, GEAR DRIVE RECESS, INCONEL 718 (125 KSI SHEAR), 0.0156 INCH OVERSIZE | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.3450 TO 0.3479 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 24 |
|
|