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National Stock Number:
5305-00-459-9544
Federal Supply Class:
5305
National Item Identification Number:
004599544
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:
| 131W61D51 | 09790 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR | | 131W61D51 | 99643 | EATON AEROSPACE LLC | | ES-131W61D51 | 99643 | EATON AEROSPACE LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.170 INCHES MINIMUM | | FASTENER LENGTH | 0.335 INCHES MINIMUM AND | | 0.350 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | BOTTOM COUNTERSINK DIAMETER | 0.290 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | HEAD HEIGHT | 0.055 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | COUNTERSINK ANGLE | 119.5 DEGREES MINIMUM AND | | 120.5 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.184 INCHES MINIMUM AND | | 0.186 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.083 INCHES MINIMUM AND | | 0.084 INCHES MAXIMUM FIRST SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99643 | | DESIGN CONTROL REFERENCE | 131W61D51 |
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