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National Stock Number:
5305-00-845-3975
Federal Supply Class:
5305
National Item Identification Number:
008453975
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:
| 398611 | 02991 | THOMPSON AEROSPACE, LLC | | 398611 | 06725 | SPS TECHNOLOGIES, LLC | | 398611 | 56055 | PRECISION SPEED MANUFACTURING, LLC | | 398611 | 57472 | ALL MANUFACTURERS, INC. | | 398611 | 77445 | RTX CORPORATION | | 398611 | 80539 | SPS TECHNOLOGIES, LLC | | 398611 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.285 INCHES NOMINAL | | HEAD DIAMETER | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.1644 TO 0.1667 INCHES | | PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER | | PRECIOUS MATERIAL | SILVER | | SHOULDER DIAMETER | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | SILVER OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.197 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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