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National Stock Number:
5305-00-785-9076
Federal Supply Class:
5305
National Item Identification Number:
007859076
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:
| 421855 | 93835 | PARKER-HANNIFIN CORP | | KBK-506 | 32904 | IN SPECK CORP |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.031 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 1.141 INCHES NOMINAL | | HEAD DIAMETER | 0.344 INCHES NOMINAL | | HEAD HEIGHT | 0.040 INCHES NOMINAL | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL COMP 630 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.038 INCHES NOMINAL FIRST HOLE | | SHOULDER DIAMETER | 0.186 INCHES NOMINAL SECOND SHOULDER | | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.352 INCHES NOMINAL SECOND SHOULDER | | SHOULDER LENGTH | 0.513 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | WIDTH BETWEEN FLATS | 0.281 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE THREADS | | SURFACE TREATMENT | CHROMIUM GRIP | | SURFACE TREATMENT | CHROMIUM HEAD | | THREAD LENGTH | 0.276 INCHES MINIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 40 |
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