NSN 5305-01-385-4390 NAS11437, NAS1143-7, 01-385-4390
Product Details | CLOSE TOLERANCE SCREW
5305-01-385-4390 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: NAS11437, NAS1143-7, 5305-01-385-4390, 01-385-4390, 5305013854390, 013854390
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 12 JAN 1994 | 01-385-4390 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Cross Reference | NSN 5305-01-385-4390
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1143-7 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
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Technical Data | NSN 5305-01-385-4390
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.276 INCHES NOMINAL |
| GRIP LENGTH | 0.714 INCHES NOMINAL |
| GRIP DIAMETER | 0.438 INCHES NOMINAL |
| SPECIAL FEATURES | MACHINE-PAN HEAD MODIFIED, CLOSE TOLERANCE, SHORT THREAD, TORQ-SET, ALLOY STEEL, CADMIUM PLATED PER QQ-P-416, TYPE II, CLASS 2, 160,000 TO 180,000 PSI UTS, SHALL BE IN ACCORDANCE WITH ALL REQUIREMENTS AS SPECIFIED IN NATIONAL AEROSPACE STANDARD NAS1141 THRU 1148 |
Restrictions/Controls & Freight Information | NSN 5305-01-385-4390
| 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||