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National Stock Number:
5305-00-207-4948
Federal Supply Class:
5305
National Item Identification Number:
002074948
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:
| 187873 | 07187 | HONEYWELL INTERNATIONAL INC. | | 187873 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM | | HEAD DIAMETER | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM | | HEAD HEIGHT | 0.092 INCHES MINIMUM AND 0.094 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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