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National Stock Number:
5306-00-401-7978
Federal Supply Class:
5306
National Item Identification Number:
004017978
Description:
BOLT,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (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 not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.
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Manufacturer Information:
| 65960-8-4 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30KK8-4 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30KK8-4 | 17446 | HUCK INTERNATIONAL, INC | | BACB30KK8-4 | 60516 | WEST COAST AEROSPACE, INC. | | BACB30KK8-4 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30KK8-4 | 81205 | THE BOEING COMPANY | | HL218-8-4 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HL218-8-4 | 56878 | SPS TECHNOLOGIES, LLC | | HL218-8-4 | 73197 | HI-SHEAR CORPORATION | | HL218-8-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HL218-8-4 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.645 INCHES NOMINAL | | HARDNESS RATING | 31.0 ROCKWELL C NOMINAL OVERALL | | HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM | | HEAD DIAMETER | 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.279 INCHES MINIMUM AND 0.280 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.395 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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