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National Stock Number:
5305-01-123-4601
Federal Supply Class:
5305
National Item Identification Number:
011234601
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:
| SS5013-10-23 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM | | FASTENER LENGTH | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM | | HEAD STYLE | ROUND EXTENDED WASHER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE | | THREAD CLASS | 3A | | THREAD LENGTH | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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