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National Stock Number:
5305-00-802-1443
Federal Supply Class:
5305
National Item Identification Number:
008021443
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| 518222-9H | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 51B222-9H | 06725 | SPS TECHNOLOGIES, LLC | | 51B222-9H | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 51B222-9H | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 51B222-9H | 17446 | HUCK INTERNATIONAL, INC | | 51B222-9H | 27624 | SPS TECHNOLOGIES LLC | | 51B222-9H | 73197 | HI-SHEAR CORPORATION | | 51B222-9H | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 51B222-9H | 80539 | SPS TECHNOLOGIES, LLC | | 51B222-9H | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 51B222-9H | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.878 INCHES NOMINAL | | HEAD DIAMETER | 0.484 INCHES NOMINAL | | HEAD HEIGHT | 0.141 INCHES NOMINAL | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | TORQUE SET | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | CADMIUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.316 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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