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National Stock Number:
5305-00-177-5612
Federal Supply Class:
5305
National Item Identification Number:
001775612
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:
| 10001423 | 53655 | AVOX SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.836 INCHES NOMINAL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | HEAD HEIGHT | 0.136 INCHES NOMINAL | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.599 INCHES MINIMUM AND 0.609 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.155 INCHES MINIMUM AND 0.185 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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