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National Stock Number:
5305-00-726-0617
Federal Supply Class:
5305
National Item Identification Number:
007260617
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:
| 1132222 | 05487 | LEXMARK INTERNATIONAL, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.403 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.109 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SHOULDER DIAMETER | 0.164 INCHES MINIMUM AND 0.167 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER DIAMETER | 0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.071 INCHES MINIMUM AND 0.179 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM | | SURFACE TREATMENT | NICKEL OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.203 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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