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National Stock Number:
5305-00-437-4092
Federal Supply Class:
5305
National Item Identification Number:
004374092
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:
| 7870-622 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 7870-622 | 11871 | RECON/OPTICAL, INC. | | 7870-622 | 80294 | BOURNS INSTRUMENTS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.423 INCHES NOMINAL | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.046 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SHOULDER DIAMETER | 0.154 INCHES MINIMUM AND 0.155 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER DIAMETER | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.129 INCHES MINIMUM AND 0.132 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.123 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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