Part Details | CLOSE TOLERANCE SCREW
5305-01-279-1254 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: BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, BACB30NN3K2, 5305-01-279-1254, 01-279-1254, 5305012791254, 012791254
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 13, 1988 | 01-279-1254 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK
CROSS RECESS TYPE III
Cross Reference | NSN 5305-01-279-1254
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BACB30NN3K2 | 92215 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| BACB30NN3K2 | 06950 | ARCONIC GLOBAL FASTENERS & RINGS,INC. |
| BACB30NN3K2 | Z03F0 | BOEING DEFENCE AUSTRALIA LTD |
| BACB30NN3K2 | Z8T75 | BOEING DEFENCE AUSTRALIA LTDDBA BOEING IDS AUSTRALIA |
| BACB30NN3K2 | 73197 | HI-SHEAR CORPORATION |
| BACB30NN3K2 | 97928 | HUCK INTL INC |
| BACB30NN3K2 | L4528 | LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC |
| BACB30NN3K2 | 0PTK6 | SPS TECHNOLOGIES INC |
| BACB30NN3K2 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| BACB30NN3K2 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
| BACB30NN3K2 | 06725 | SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES |
| BACB30NN3K2 | 27624 | SPS TECHNOLOGIES, LLCDBA PB FASTENERS |
| BACB30NN3K2 | 93907 | TEXTRON FASTENING SYSTEMSDBA DECORAH OPERATIONS TFS |
| BACB30NN3K2 | 81205 | THE BOEING COMPANYDBA BOEING |
| BACB30NN3K2 | 06710 | VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND |
Technical Data | NSN 5305-01-279-1254
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| FASTENER LENGTH | 0.455 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 0 HEXAGON COUNTERSUNK |
| HEAD DIAMETER | 0.345 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| GRIP LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |