NSN 5305-01-591-8663 NAS1790V4R5A, 01-591-8663, 015918663
Product Details | CLOSE TOLERANCE SCREW
5305-01-591-8663 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: NAS1790V4R5A, 5305-01-591-8663, 01-591-8663, 5305015918663, 015918663
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 14 FEB 2011 | 01-591-8663 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Demand History | NSN 5305-01-591-8663
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| NAS1790V4R5A | 2025-03-86 | 5000 | Czech Republic |
| NAS1790V4R5A | 2024-11-312 | 5000 | Czech Republic |
| NAS1790V4R5A | 2024-05-131 | 5000 | Czech Republic |
Cross Reference | NSN 5305-01-591-8663
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1790V4R5A | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
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Related Products | NSN 5305-01-591-8663
Technical Data | NSN 5305-01-591-8663
| Characteristic | Specifications |
|---|---|
| THREAD DIRECTION | RIGHT-HAND |
| GRIP DIAMETER | 0.2485 NOMINAL MILS AND 0.2495 NOMINAL CENTIMETERS |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| THREAD QUANTITY PER INCH | 28 |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.7225 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM |
| MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| THREAD SERIES DESIGNATOR | UNJF |
| END ITEM IDENTIFICATION | A400M AIRBUS |
| GRIP LENGTH | 0.3115 NOMINAL MILS AND 0.3235 NOMINAL CENTIMETERS |
| THREAD LENGTH | 0.425 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT 100 DEGREE FLUSH HEAD |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| HEAD DIAMETER | 0.465 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| THREAD CLASS | 3A |
Restrictions/Controls & Freight Information | NSN 5305-01-591-8663
| 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 | ||