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National Stock Number:
5305-01-509-8676
Federal Supply Class:
5305
National Item Identification Number:
015098676
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:
| 1066144 | 20219 | ELGIN SWEEPER COMPANY | | 91259A533 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES NOMINAL | | FASTENER LENGTH | 0.630 INCHES NOMINAL | | MATERIAL | STEEL UNS K03104 OVERALL | | COLOR | BLACK HEAD | | BLACK THREADS | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH | | HEAD STYLE | KNURLED NO. 2 | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.440 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.250 INCHES NOMINAL FIRST SHOULDER | | SUPPLEMENTARY FEATURES | LENGTH TOLERANCES PORM0.005; HEAD CHAMFER IS 30-45 DEGREES; TIP CHAMFER IS APPROXIMATELY 45 DEGREES; MEETS ASME/ANSI B18.3, CLASS 3A UNIFIED COARSE THREAD; SHOULDER IS GROUND TO HIGHLY POLISHED FINISH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SHOULDER SCREW | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 20219 | | DESIGN CONTROL REFERENCE | 1066144 |
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