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National Stock Number:
5305-00-891-3674
Federal Supply Class:
5305
National Item Identification Number:
008913674
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:
| 207-12-2 | 06725 | SPS TECHNOLOGIES, LLC | | 65589-2 | 56878 | SPS TECHNOLOGIES, LLC | | AIC207-12-1 | 06725 | SPS TECHNOLOGIES, LLC | | C2898-2 | 81755 | LOCKHEED MARTIN CORPORATION | | VS2845-2 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM | | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.122 INCHES MINIMUM AND 0.123 INCHES MAXIMUM | | HEAD HEIGHT | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM | | HEAD STYLE | BEVEL-CONICAL | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | VANADIUM OVERALL | | MINIMUM TENSILE STRENGTH | 300000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SHOULDER DIAMETER | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | UNDERCUT UNDER THE SHOULDER 0.050 IN. MIN AND 0.100 IN. MAX LG; 0.615 IN. MIN AND 0.625 IN. MAX DIA | | WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.820 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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