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National Stock Number:
5305-01-287-3496
Federal Supply Class:
5305
National Item Identification Number:
012873496
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:
| 109063 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 109063 | 54687 | COMPUSCAN INC |
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Techincal Specification:
| FASTENER LENGTH | 0.179 INCHES MINIMUM AND 0.182 INCHES MAXIMUM | | HEAD DIAMETER | 0.218 INCHES NOMINAL | | HEAD HEIGHT | 0.100 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 1018 OR STEEL COMP 12L14 OVERALL | | NOMINAL THREAD DIAMETER | 0.125 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SHOULDER DIAMETER | 0.151 INCHES MINIMUM AND 0.153 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.054 INCHES MINIMUM AND 0.057 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | RELIEF BETWEEN SHOULDER AND THREADS 0.093 IN. DIA X 0.016 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.109 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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