NSN 5305-01-190-7555

Part Details | CLOSE TOLERANCE SCREW

5305-01-190-7555 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: GB10CG423, GB10CG4-23, GB10CG423, GB10CG4-23, GB10CG423, GB10CG4-23, AS292423, AS292-4-23, GB10CG423, GB10CG4-23, GB10CG423, GB10CG4-23, GB510CG423, GB510CG4-23, GB10CG423, GB10CG4-23, GB10CG423, GB10CG4-23, 5305-01-190-7555, 01-190-7555, 5305011907555, 011907555

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 30, 198401-190-755529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-190-7555
Part Number Cage Code Manufacturer
GB10CG4-2358845ABOUNDING SECURITY INCDIV OF MAA CORP
GB10CG4-2306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
GB10CG4-2392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS292-4-2384256AVIBANK MFG., INC.
GB10CG4-2373197HI-SHEAR CORPORATION
GB10CG4-23L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
GB510CG4-2326512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
GB10CG4-2380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
GB10CG4-2327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-190-7555
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH1.856 INCHES MINIMUM AND 1.876 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH63000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE101.0 DEGREES MAXIMUM AND 99.0 DEGREES MINIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH1.438 INCHES MINIMUM AND 1.454 INCHES MAXIMUM
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
SPECIAL FEATURESINTERNAL DRIVE RIBBED
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CLOSE TOLERANCE