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National Stock Number:
5305-00-902-1059
Federal Supply Class:
5305
National Item Identification Number:
009021059
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:
| 4313 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 43D13 | 29440 | W. M. BERG INC | | 720211-4 | 05869 | RAYTHEON COMPANY | | 7454-SS-0440-7 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | G42-4 | 14519 | DESIGNATRONICS INC | | G42-4 | 52856 | COBY ASSOCIATES | | GS550H04-5 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PL-4- | 29440 | W. M. BERG INC | | PL-4-3 | 29440 | W. M. BERG INC | | SE12335 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.469 INCHES NOMINAL | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SHOULDER DIAMETER | 0.125 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.313 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.156 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 40 |
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