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National Stock Number:
5305-01-394-5975
Federal Supply Class:
5305
National Item Identification Number:
013945975
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:
| 12705-12C-52 | 56878 | SPS TECHNOLOGIES, LLC | | 8U56106-114 | 07703 | ATK LAUNCH SYSTEMS LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 11 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.693 INCHES NOMINAL | | FASTENER LENGTH | 4.125 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | OIL OVERALL | | OXIDE HEAD | | OXIDE THREADS | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.977 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.747 INCHES MINIMUM AND | | 0.748 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 3.157 INCHES NOMINAL FIRST SHOULDER | | SPECIAL FEATURES | SIDE OF HEAD MAY BE PLAIN OR KNURLED. THREADS AND SHOULDER ARE UNDERCUT FOR RELIEF. |
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