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		                             National Stock Number: 5305-01-617-1657
  Federal Supply Class: 5305
  National Item Identification Number: 016171657
  Description: SCREW,CAP,SOCKET HEAD
  Detail: An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE. 
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  Manufacturer Information:
 | 120-225C3T05P | 06725 | SPS TECHNOLOGIES, LLC |  | 120-225C3T05P | 0K6Z0 | SATURN FASTENERS INC |  | 120-225C3T05P | 0ZC92 | HEARTLAND PRECISION FASTENERS INC |  | 120-225C3T05P | 1EM77 | B & B SPECIALTIES INC |  | 120-225C3T05P | 1ER65 | 3-V FASTENER CO., INC. |  | 120-225C3T05P | 1GP79 | PILGRIM SCREW CORP |  | 120-225C3T05P | 27624 | SPS TECHNOLOGIES LLC |  | 120-225C3T05P | 47253 | PILGRIM SCREW CORPORATION |  | 120-225C3T05P | 56878 | SPS TECHNOLOGIES, LLC |  | 120-225C3T05P | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |  | 120-225C3T05P | 62206 | B & B SPECIALTIES INC |  | 120-225C3T05P | 62384 | LFC INDUSTRIES INC. |  | 120-225C3T05P | 80539 | SPS TECHNOLOGIES, LLC |  | 120-225C3T05P | 97499 | BELL TEXTRON INC |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNJF |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.344 INCHES NOMINAL |  | FASTENER LENGTH | 0.344 INCHES NOMINAL |  | MATERIAL | IRON ALLOY 660 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR |   | AMS5732 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR |   | AMS5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR |   | AMS5853 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TY II, CL 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | HEAD STYLE | ROUND EXTENDED WASHER |  | HEAD DIAMETER | 0.375 INCHES NOMINAL |  | HEAD HEIGHT | 0.089 INCHES MINIMUM AND |   | 0.099 INCHES MAXIMUM |  | EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL |  | EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND |   | 0.035 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | TORX |  | SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, WASHER HEAD, CLOSE TOLERANCE, LONG THREAD |   
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