NSN 5305-01-054-4630 BACB30LK39, BACB30LK3-9, 01-054-4630
Product Details | CLOSE TOLERANCE SCREW
5305-01-054-4630 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: BACB30LK39, BACB30LK3-9, 5305-01-054-4630, 01-054-4630, 5305010544630, 010544630
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 21 JAN 1978 | 01-054-4630 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-054-4630
Demand History | NSN 5305-01-054-4630
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| BACB30LK39 | 2024-07-185 | 36 | US |
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Related Products | NSN 5305-01-054-4630
Technical Data | NSN 5305-01-054-4630
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| FASTENER LENGTH | 0.892 INCHES MINIMUM AND 0.922 INCHES MAXIMUM |
| MATERIAL | IRON ALLOY 660 OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | C32 PAN |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D1 CROSS RECESS TYPE 1 |
| GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS |
| SPECIFICATION/STANDARD DATA | 81205-BACB30LK MANUFACTURERS STANDARD |
Restrictions/Controls & Freight Information | NSN 5305-01-054-4630
| 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 | ||