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National Stock Number:
5305-01-067-8519
Federal Supply Class:
5305
National Item Identification Number:
010678519
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:
| 13265321-1 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 534824-5 | 96214 | RAYTHEON COMPANY | | NT352R1428AC8 | 02310 | PATTONAIR USA INC |
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Techincal Specification:
| FASTENER LENGTH | 0.485 INCHES MINIMUM AND 0.530 INCHES MAXIMUM | | FEATURES PROVIDED | O RING | | HEAD DIAMETER | 0.507 INCHES NOMINAL | | HEAD HEIGHT | 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | HEAD STYLE | WATERTIGHT | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.414 INCHES MINIMUM AND 0.530 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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