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National Stock Number:
5305-01-097-9408
Federal Supply Class:
5305
National Item Identification Number:
010979408
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:
| 484905-1 | 3B150 | RAYTHEON COMPANY | | 484905-1 | 49956 | RAYTHEON COMPANY | | 484905-1 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.348 INCHES NOMINAL | | FASTENER LENGTH | 0.209 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | | MATERIAL | STEEL COMP 416 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 35.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.437 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | HEAD HEIGHT | 0.209 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.3085 INCHES MINIMUM AND | | 0.3105 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.290 INCHES NOMINAL FIRST SHOULDER |
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