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National Stock Number:
5305-01-512-4822
Federal Supply Class:
5305
National Item Identification Number:
015124822
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:
| SS1440KCO4PL | 16941 | LONG-LOK LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.375 INCHES NOMINAL | | FEATURES PROVIDED | O RING | | HEAD DIAMETER | 0.228 INCHES MINIMUM AND 0.238 INCHES MAXIMUM | | HEAD HEIGHT | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | LOCKING FEATURE | PATCH | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,PAN HD,SLFSE | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493, TY 302HQ ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE AND MIL-C-13924 MFR REF 1ST TREATMENT RESPONSE | | SCREW MATERIAL | STEEL COMP 302 | | SCREW SURFACE TREATMENT | PASSIVATE AND OXIDE | | SPECIAL FEATURES | WASHER-O RING MATERIAL IS FLUOROSILICONE PER MIL-R-25988 AND O-RING GROVE CUT UNDER HEAD. PATCH IS MADE OF POLYESTER. FINISH IS BLACK OXIDE. | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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