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National Stock Number:
5305-01-239-1515
Federal Supply Class:
5305
National Item Identification Number:
012391515
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:
| 11879C4-10A | 59563 | REID PRODUCTS INC. | | 3M902C4-10A | 06FB3 | AMG DIAMOND, LLC | | 3M902C4-10A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M902C4-10A | 76301 | THE BOEING COMPANY | | 3M902C4-10A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M902C4-10A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4020-4-10AY | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-4-10AY | 17446 | HUCK INTERNATIONAL, INC | | WC4020-4-10AY | 60516 | WEST COAST AEROSPACE, INC. | | HT4020-4-10AY | 73197 | HI-SHEAR CORPORATION | | HT4020-4-10AY | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-4-10AY | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-4-10AY | 97928 | HUCK INTL INC | | HT4020-4-10AY | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.443 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | FASTENER LENGTH | 1.078 INCHES MINIMUM AND | | 1.125 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | HEAD DIAMETER | 0.501 INCHES MINIMUM AND | | 0.506 INCHES MAXIMUM | | HEAD HEIGHT | 0.058 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.2802 INCHES MINIMUM AND | | 0.2807 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | FURNISH WITH ONE O-RING |
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