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National Stock Number:
5305-00-145-6606
Federal Supply Class:
5305
National Item Identification Number:
001456606
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:
| 9157789-83 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 2.250 INCHES NOMINAL | | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM | | HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW SURFACE TREATMENT | PASSIVATE | | SCREW MATERIAL | STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 302 OR STEEL COMP 305 OR STEEL COMP 304L OR STEEL COMP 304 OR STEEL COMP 303 OR STEEL COMP 303SE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.750 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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