NSN 5305-01-195-4953

Part Details | CLOSE TOLERANCE SCREW

5305-01-195-4953 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: LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, LD11100470403, LD111-0047-0403, 5305-01-195-4953, 01-195-4953, 5305011954953, 011954953

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 30, 198401-195-495329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-195-4953
Part Number Cage Code Manufacturer
LD111-0047-040306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LD111-0047-040343999BOEING COMPANY, THEDBA BOEING
LD111-0047-040373197HI-SHEAR CORPORATION
LD111-0047-040317446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
LD111-0047-0403L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
LD111-0047-040357928SONIC INDUSTRIES INC.
LD111-0047-040380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
LD111-0047-040306725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
LD111-0047-040327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-195-4953
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM
FASTENER LENGTH0.566 INCHES MINIMUM AND 0.596 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM