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National Stock Number:
5305-00-211-8488
Federal Supply Class:
5305
National Item Identification Number:
002118488
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:
| 3M50-4-9 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M50-4-9 | 17446 | HUCK INTERNATIONAL, INC | | 3M50-4-9 | 56878 | SPS TECHNOLOGIES, LLC | | 3M50-4-9 | 73197 | HI-SHEAR CORPORATION | | 3M50-4-9 | 76301 | THE BOEING COMPANY | | 3M50-4-9 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | 54267-4-9 | 50392 | SPS TECHNOLOGIES INC | | 54267-4-9 | 56878 | SPS TECHNOLOGIES, LLC | | HT409A4-9 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT409A4-9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT409A4-9 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT41UA9 | 73197 | HI-SHEAR CORPORATION | | HT41UA9 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT41UA9 | R1120 | SATAIR A/S | | HTS501-4-9 | 17446 | HUCK INTERNATIONAL, INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM | | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 3-52,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.485 INCHES MINIMUM AND 0.507 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | FURNISHED WITH SILICONE RUBBER O-RING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3-52,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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