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National Stock Number:
5305-00-824-4705
Federal Supply Class:
5305
National Item Identification Number:
008244705
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:
| 4669872-503 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MAXIMUM | | FASTENER LENGTH | 0.523 INCHES NOMINAL | | MATERIAL | STEEL COMP 303SE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.483 INCHES MINIMUM AND | | 0.493 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.363 INCHES MINIMUM AND | | 0.373 INCHES MAXIMUM FIRST SHOULDER | | 0.265 INCHES MINIMUM AND | | 0.275 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.070 INCHES NOMINAL FIRST SHOULDER | | 0.078 INCHES NOMINAL SECOND SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 88277 | | DESIGN CONTROL REFERENCE | 4669872-503 |
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