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National Stock Number:
5305-01-451-3466
Federal Supply Class:
5305
National Item Identification Number:
014513466
Description:
SCREW,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| C7985-3D8R | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C7985-3D8R | 17446 | HUCK INTERNATIONAL, INC | | C7985-3D8R | 56878 | SPS TECHNOLOGIES, LLC | | C7985-3D8R | 80539 | SPS TECHNOLOGIES, LLC | | C7985-3D8R | 81755 | LOCKHEED MARTIN CORPORATION | | C7985-3D8R | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | C7985-D8R | 06725 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.258 INCHES MINIMUM AND | | 0.305 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.363 INCHES MAXIMUM | | FASTENER LENGTH | 0.848 INCHES MINIMUM AND | | 0.878 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 50.0 ROCKWELL C MAXIMUM OVERALL | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.2037 INCHES MINIMUM AND | | 0.2043 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM FIRST SHOULDER | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.708 INCHES MINIMUM AND | | 0.738 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM FIRST HOLE |
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