NSN 5305-01-280-4797 C798510, C7985-10, 01-280-4797
Product Details | CLOSE TOLERANCE SCREW
5305-01-280-4797 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.
Part Alternates: C798510, C7985-10, 5305-01-280-4797, 01-280-4797, 5305012804797, 012804797
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01-280-4797 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-280-4797
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Technical Data | NSN 5305-01-280-4797
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP H11 OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | C54 OVAL COUNTERSUNK |
| INTERNAL DRIVE STYLE | D8 TORQUE SET |
| MANUFACTURERS CODE | 81755 |
| DESIGN CONTROL REFERENCE | C7985-10 |
Restrictions/Controls & Freight Information | NSN 5305-01-280-4797
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||