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National Stock Number:
5305-01-444-1565
Federal Supply Class:
5305
National Item Identification Number:
014441565
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:
| 26M54-3001 ITEM 54 | 96169 | ELECTRIC BOAT CORPORATION | | 26M54-3001-0054 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 4.290 INCHES NOMINAL | | HEAD DIAMETER | 1.750 INCHES NOMINAL | | HEAD HEIGHT | 0.770 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OR NICKEL ALLOY 502 OVERALL | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | SHOULDER DIAMETER | 1.249 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.640 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | SPECIAL FEATURES | DRILLED HOLE IN SHANK | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.650 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 7 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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