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National Stock Number:
5305-00-880-9646
Federal Supply Class:
5305
National Item Identification Number:
008809646
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:
| 107329-3 | 37695 | RAYTHEON COMPANY | | 7901475-00 | 90536 | LOCKHEED MARTIN CORP | | NCS-4-2-6 | 07886 | DAR ELECTRONICS INC COMMERCIAL PRODUCTS DIV DBA NATIONAL RADIO CO | | NCS4-2-6 | 57227 | PICS SCREW MACHINE, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.227 INCHES NOMINAL | | HEAD HEIGHT | 0.019 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SHOULDER DIAMETER | 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER DIAMETER | 0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.011 INCHES NOMINAL SECOND SHOULDER | | SHOULDER LENGTH | 0.028 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.188 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 40 |
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