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National Stock Number:
5305-01-622-5193
Federal Supply Class:
5305
National Item Identification Number:
016225193
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:
| 93996A202 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | EXTERNAL THREAD TOLERANCE CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.188 INCHES NOMINAL | | FASTENER LENGTH | 0.313 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | | MATERIAL | STEEL PROPERTY CLASS 18.8 OVERALL | | HARDNESS RATING | 20.0 ROCKWELL C NOMINAL OVERALL | | MINIMUM TENSILE STRENGTH | 105000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT FILLISTER | | HEAD DIAMETER | 0.281 INCHES NOMINAL | | HANDLE DIAMETER | 0.155 INCHES MINIMUM AND | | 0.156 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | ROUND OVERALL | | SHOULDER DIAMETER | 0.155 INCHES MINIMUM AND | | 0.156 INCHES MAXIMUM ALL SHOULDERS | | SHOULDER LENGTH | 0.125 INCHES MINIMUM AND | | 0.127 INCHES MAXIMUM ALL SHOULDERS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SELF-LOCKING PRECISION SHOULDER SCREW |
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