NSN 5305-00-595-5986

Part Details | CLOSE TOLERANCE SCREW

5305-00-595-5986 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Alternate Parts: GB510DC4C5D, GB510DC4C5D, GB510DC4C5D, GB510DC4C5D, NAS1581C4H5, GB510DC4C5D, GB510BF45, GB510BF4-5, 7612145, 76121-4-5, GB510DC4C5D, 7612145, 76121-4-5, GB510DC4C5D, 5305-00-595-5986, 00-595-5986, 5305005955986, 005955986

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 10, 197500-595-598629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-595-5986
Part Number Cage Code Manufacturer
GB510DC4C5D58845ABOUNDING SECURITY INCDIV OF MAA CORP
GB510DC4C5D06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
GB510DC4C5D73197HI-SHEAR CORPORATION
GB510DC4C5DL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
NAS1581C4H580205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
GB510DC4C5D26512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
GB510BF4-526512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
76121-4-556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
GB510DC4C5D80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
76121-4-580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
GB510DC4C5D27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-00-595-5986
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
FASTENER LENGTH0.700 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM