NSN 5305-01-189-4073 NAS5205U4, NAS5205-U4, 01-189-4073
Product Details | CLOSE TOLERANCE SCREW
5305-01-189-4073 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: NAS5205U4, NAS5205-U4, 5305-01-189-4073, 01-189-4073, 5305011894073, 011894073
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 15 SEP 1984 | 01-189-4073 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Cross Reference | NSN 5305-01-189-4073
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS5205-U4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
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Related Products | NSN 5305-01-189-4073
Technical Data | NSN 5305-01-189-4073
| Characteristic | Specifications |
|---|---|
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.688 INCHES NOMINAL |
| HEAD DIAMETER | 0.594 INCHES MINIMUM AND 0.614 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| THREAD LENGTH | 0.438 INCHES NOMINAL |
| MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL |
| THREAD QUANTITY PER INCH | 24 |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD SERIES DESIGNATOR | UNJF |
| GRIP DIAMETER | 0.3106 INCHES MINIMUM AND 0.3112 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | TRI-WING RECESS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | PAN NO. 2 |
| HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| THREAD CLASS | 3A |
Restrictions/Controls & Freight Information | NSN 5305-01-189-4073
| 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: | U | Precious metal type is unknown |
| 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 | ||