NSN 5305-00-162-4089
Part Details | CLOSE TOLERANCE SCREW
5305-00-162-4089 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: HT803943, HT8039-4-3, HT803943, HT8039-4-3, HT18443, HT184-4-3, HT18443, HT184-4-3, 5305-00-162-4089, 00-162-4089, 5305001624089, 001624089
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 31, 1973 | 00-162-4089 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-162-4089
Part Number | Cage Code | Manufacturer |
---|---|---|
HT8039-4-3 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
HT8039-4-3 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
HT184-4-3 | 73197 | HI-SHEAR CORPORATION |
HT184-4-3 | 0PTK6 | SPS TECHNOLOGIES INC |
Technical Data | NSN 5305-00-162-4089
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.316 INCHES MINIMUM |
FASTENER LENGTH | 0.488 INCHES MINIMUM AND 0.535 INCHES MAXIMUM |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
HEAD STYLE | 0 HEXAGON COUNTERSUNK |
HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
INTERNAL DRIVE STYLE | HIGH-TORQUE |
GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |