NSN 5305-00-107-1984

Part Details | CLOSE TOLERANCE SCREW

5305-00-107-1984 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: 51B2944, 51B294-4, 51B2944, 51B294-4, 51B2944, 51B294-4, 1500054, 150005-4, 51B2944, 51B294-4, 51B2944, 51B294-4, 51B2944, 51B294-4, 51B2944, 51B294-4, 51B2944, 51B294-4, 51B2944, 51B294-4, 5305-00-107-1984, 00-107-1984, 5305001071984, 001071984

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 16, 196800-107-198429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-107-1984
Part Number Cage Code Manufacturer
51B294-406950ARCONIC GLOBAL FASTENERS & RINGS,INC.
51B294-473197HI-SHEAR CORPORATION
51B294-4L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
150005-460119MONADNOCK COMPANY, THEDBA LISI AEROSPACE
51B294-460119MONADNOCK COMPANY, THEDBA LISI AEROSPACE
51B294-476823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
51B294-40JRC1NORTHROP GRUMMAN TECHNICAL SERVICES,INC.
51B294-480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
51B294-406725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
51B294-427624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-00-107-1984
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.254 INCHES MINIMUM AND 0.357 INCHES MAXIMUM
FASTENER LENGTH0.550 INCHES MINIMUM AND 0.597 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.496 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIAL FEATURESALUMINUM GROMMET 0.012 IN. THK ON BEARING SURFACE OF HEAD