NSN 5305-01-581-4771 BACB30LK214, BACB30LK2-14, 01-581-4771
Product Details | CLOSE TOLERANCE SCREW
5305-01-581-4771 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: BACB30LK214, BACB30LK2-14, 5305-01-581-4771, 01-581-4771, 5305015814771, 015814771
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 19 JAN 2010 | 01-581-4771 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Cross Reference | NSN 5305-01-581-4771
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BACB30LK2-14 | 81205 | THE BOEING COMPANY DBA BOEING |
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Technical Data | NSN 5305-01-581-4771
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJC |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| SURFACE TREATMENT | CADMIUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1619 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| FASTENER LENGTH | 1.205 INCHES MINIMUM AND 1.235 INCHES MAXIMUM |
| HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMSQQ-P-416, TY II, CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | PAN |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL | IRON ALLOY 660 OVERALL |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD CLASS | 3A |
Restrictions/Controls & Freight Information | NSN 5305-01-581-4771
| 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 | ||