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National Stock Number:
5305-00-017-6174
Federal Supply Class:
5305
National Item Identification Number:
000176174
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:
| 128WM10245-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 128WM10245-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 3.625 INCHES NOMINAL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 1.438 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 4340 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SHOULDER DIAMETER | 0.9955 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH ACROSS FLATS | 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 16 |
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