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		                             National Stock Number: 5305-01-274-3235
  Federal Supply Class: 5305
  National Item Identification Number: 012743235
  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:
 | NAS1624-33 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |   
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  Techincal Specification:
 | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |  | FASTENER LENGTH | 2.363 INCHES MINIMUM AND 2.393 INCHES MAXIMUM |  | HEAD DIAMETER | 0.442 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |  | HEAD STYLE | FLAT COUNTERSUNK |  | INTERNAL DRIVE STYLE | TORQUE SET |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE |  | SCREW MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 |  | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE |  | SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |  | SPECIFICATION/STANDARD DATA | 80205-NAS1624 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |  | THREAD QUANTITY PER INCH | 28 |  | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |   
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