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National Stock Number:
5305-15-059-0517
Federal Supply Class:
5305
National Item Identification Number:
150590517
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:
| (241)A0199127606456 | | 1276-06-456 | A0199 | FINMECCANICA SPA | | 127606456 | A0199 | FINMECCANICA SPA | | 5520276 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL | | FASTENER LENGTH | 25.50 MILLIMETERS NOMINAL | | HEAD DIAMETER | 12.0 MILLIMETERS NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | A5S UN1 3740,FSCM 44114 MFR REF SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | ZINC AND CHROMATE OR ALUMINUM | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-87115,CL 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-83488,CL 2 MIL SPEC 2ND TREATMENT RESPONSE | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 23.0 MILLIMETERS MINIMUM AND 25.5 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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