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		                        | National Stock Number:
 5305-01-031-4355
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010314355
 
 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:
 
 | 861012-26 | 02310 | PATTONAIR USA INC |  | ABS20673-1D6 | 02510 | LUHRS C H AND CO |  | ABS20673-1D6 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | ABS20673-1D6 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.138 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.277 INCHES MINIMUM |  | FASTENER LENGTH | 0.637 INCHES MINIMUM AND |  |  | 0.667 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 304L OR |  |  | STEEL COMP 316L OR |  |  | STEEL COMP 302 OR |  |  | STEEL COMP 303 OR |  |  | STEEL COMP 347 OR |  |  | STEEL COMP 321 OR |  |  | STEEL COMP 317 OR |  |  | STEEL COMP 316 OR |  |  | STEEL COMP 310 OR |  |  | STEEL COMP 309 OR |  |  | STEEL COMP 305 OR |  |  | STEEL COMP 304 OR |  |  | STEEL COMP 303SE OVERALL |  | SURFACE TREATMENT | PASSIVATE OR |  |  | OXIDE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OR |  |  | MIL-C-13924,CL 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |  | HEAD STYLE | WATERTIGHT |  | HEAD DIAMETER | 0.360 INCHES MINIMUM AND |  |  | 0.370 INCHES MAXIMUM |  | HEAD HEIGHT | 0.095 INCHES MINIMUM AND |  |  | 0.100 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |  | LOCKING FEATURE | STRIP THREADS |  | SPECIAL FEATURES | FURNISHED WITH ONE PLASTIC /POLYTETRAFLUOROETHYLENE/SHIM AND ONE SYNTHETIC RUBBER /SILICONE/ O-RING |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 13973 |  | DESIGN CONTROL REFERENCE | ABS20673-1D6 | 
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