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National Stock Number:
5305-99-603-1968
Federal Supply Class:
5305
National Item Identification Number:
996031968
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:
| A255941 | U1602 | BRITISH AEROSPACE PLC | | A255941 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.570 INCHES NOMINAL | | HARDNESS RATING | 363.0 BRINELL STANDARD MINIMUM AND 415.0 BRINELL STANDARD MAXIMUM | | HEAD HEIGHT | 0.020 INCHES NOMINAL | | HEAD DIAMETER | 0.437 INCHES NOMINAL | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | BS S99 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | MINIMUM TENSILE STRENGTH | 179200 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.249 INCHES NOMINAL | | SHOULDER LENGTH | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM | | SHOULDER SHAPE | ROUND | | STRENGTH GRADE DESIGNATION | ERR-030 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.340 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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