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National Stock Number:
5305-01-190-9643
Federal Supply Class:
5305
National Item Identification Number:
011909643
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:
| 515-4674116 ITEM 13 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 5.260 INCHES NOMINAL | | HEAD DIAMETER | 2.0000 INCHES NOMINAL | | HEAD HEIGHT | 0.7900 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-285,CL A,ANNEALED AH FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SHOULDER DIAMETER | 1.238 INCHES MINIMUM AND 1.240 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 3.525 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.730 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 1.7500 INCHES NOMINAL |
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