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National Stock Number:
5305-99-964-4053
Federal Supply Class:
5305
National Item Identification Number:
999644053
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:
| 0S87472 | U1515 | DGS&E TIG IRC | | SS22B128 | K5728 | G E C MARCONI AVIONICS LTD | | SS22B128 | U2248 | SELEX ELSAG LTD |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | NORMAL | | FASTENER LENGTH | 10.00 MILLIMETERS NOMINAL | | HEAD DIAMETER | 15.00 MILLIMETERS NOMINAL | | HEAD HEIGHT | 2.50 MILLIMETERS NOMINAL | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 4.70 MILLIMETERS | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | K7766-BS970 EN1A NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | CHROMIUM | | SPECIAL FEATURES | NYLON MATERIAL IN THDS LOCKING METHOD | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 10.00 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | BA | | THREAD PITCH IN MILLIMETERS | 0.81 |
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