NSN 5305-01-587-7156 NAS1578A4T18, 01-587-7156, 015877156
Product Details | CLOSE TOLERANCE SCREW
5305-01-587-7156 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: NAS1578A4T18, 5305-01-587-7156, 01-587-7156, 5305015877156, 015877156
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 18 AUG 2010 | 01-587-7156 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Cross Reference | NSN 5305-01-587-7156
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1578A4T18 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
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Technical Data | NSN 5305-01-587-7156
| Characteristic | Specifications |
|---|---|
| THREAD DIRECTION | RIGHT-HAND |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6415 E4340 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| HEAD DIAMETER | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD LENGTH | 0.403 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
| GRIP DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| GRIP LENGTH | 1.528 INCHES NOMINAL |
| HEAD STYLE | PAN NO. 2 |
| FASTENER LENGTH | 1.916 INCHES MINIMUM AND 1.946 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD CLASS | 3A |
Restrictions/Controls & Freight Information | NSN 5305-01-587-7156
| 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. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||