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National Stock Number:
5305-01-072-4704
Federal Supply Class:
5305
National Item Identification Number:
010724704
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:
| 10198362 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11911-4-8-1 | 59563 | REID PRODUCTS INC. | | HT4016-4-8X | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4016-4-8X | 0HDW7 | HUCK INTERNATIONAL, INC. | | HT4016-4-8X | 17446 | HUCK INTERNATIONAL, INC | | HT4016-4-8X | 56878 | SPS TECHNOLOGIES, LLC | | HT4016-4-8X | 73197 | HI-SHEAR CORPORATION | | HT4016-4-8X | 80539 | SPS TECHNOLOGIES, LLC | | HT4016-4-8X | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4016-4-8X | 97928 | HUCK INTL INC | | HT4016-4-8X | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M495-4-8-1 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M495-4-8-1 | 76301 | THE BOEING COMPANY | | WC4010-4-8 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.881 INCHES MINIMUM AND 0.928 INCHES MAXIMUM | | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | | HEAD HEIGHT | 0.015 INCHES MAXIMUM | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.447 INCHES NOMINAL FIRST SHOULDER | | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END,0.095 IN. NOM. WIDTH ACROSS FLATS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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