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National Stock Number:
5306-01-087-1077
Federal Supply Class:
5306
National Item Identification Number:
010871077
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:
| 12266063 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.793 INCHES MINIMUM AND | | 0.873 INCHES MAXIMUM | | FASTENER LENGTH | 3.256 INCHES MINIMUM AND | | 3.321 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE AND | | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE AND | | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-26074,GRADE A,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND | | 39.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.256 INCHES MINIMUM AND | | 0.276 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND | | 0.940 INCHES MAXIMUM | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.624 INCHES MINIMUM AND | | 0.626 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.502 INCHES MINIMUM AND | | 1.507 INCHES MAXIMUM FIRST SHOULDER |
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