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National Stock Number:
5305-00-432-5576
Federal Supply Class:
5305
National Item Identification Number:
004325576
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:
| 443250-1 | 3B150 | RAYTHEON COMPANY | | 443250-1 | 49956 | RAYTHEON COMPANY | | 443250-1 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | HEAD DIAMETER | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM | | HEAD HEIGHT | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SHOULDER DIAMETER | 0.112 INCHES MINIMUM AND 0.117 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH ACROSS FLATS | 0.0781 INCHES MINIMUM AND 0.0791 INCHES MAXIMUM |
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