Part Details | CLOSE TOLERANCE SCREW
5305-01-171-8098 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: SS5112538, SS5112-538, SS5112538, SS5112-538, SS5112538, SS5112-538, SS5112538, SS5112-538, SS5112538, SS5112-538, 5305-01-171-8098, 01-171-8098, 5305011718098, 011718098
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | FEB 13, 1984 | 01-171-8098 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-171-8098
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SS5112-538 | 84256 | AVIBANK MFG., INC. |
| SS5112-538 | 73197 | HI-SHEAR CORPORATION |
| SS5112-538 | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| SS5112-538 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
| SS5112-538 | 16258 | SPACE-LOK, INC. |
Technical Data | NSN 5305-01-171-8098
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.307 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| FASTENER LENGTH | 2.853 INCHES MINIMUM AND 2.873 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 63000 POUNDS PER SQUARE INCH |
| HEAD STYLE | CROWNED HEXAGON |
| HEAD HEIGHT | 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | 4 CROSS RECESS TYPE 1 |
| GRIP LENGTH | 2.375 INCHES MINIMUM AND 2.390 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM |