NSN 5305-00-102-4552
Part Details | CLOSE TOLERANCE SCREW
5305-00-102-4552 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: MS27039444, MS27039-4-44, MS27039444, MS27039-4-44, 5305-00-102-4552, 00-102-4552, 5305001024552, 001024552
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JUN 17, 1968 | 00-102-4552 | 29294 ( SCREW, CLOSE TOLERANCE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-102-4552
Part Number | Cage Code | Manufacturer |
---|---|---|
MS27039-4-44 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
MS27039-4-44 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-00-102-4552
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 | 0.501 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
FASTENER LENGTH | 2.766 INCHES MINIMUM AND 2.813 INCHES MAXIMUM |
MINIMUM YIELD STRENGTH | 125000 POUNDS PER SQUARE INCH |
HEAD STYLE | 4 DISHED HEXAGON |
HEAD DIAMETER | 0.375 INCHES NOMINAL |
HEAD HEIGHT | 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
GRIP LENGTH | 2.235 INCHES MINIMUM AND 2.265 INCHES MAXIMUM |
GRIP DIAMETER | 0.2460 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM |