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National Stock Number:
5305-00-501-2719
Federal Supply Class:
5305
National Item Identification Number:
005012719
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:
| 5012719 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| COUNTERSINK ANGLE | 30.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.928 INCHES MINIMUM AND 1.958 INCHES MAXIMUM | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.018 INCHES NOMINAL | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 1019 OR STEEL COMP 1020 OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SHOULDER DIAMETER | 0.7440 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.620 INCHES MINIMUM AND 0.650 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | THREAD RELIEF 0.120 IN.W BY 0.062 IN.RADIUS DEEP | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.700 INCHES MINIMUM AND 0.728 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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