NSN 5305-01-057-3066 BACB30ABP841A, BACB30ABP8-41A, 01-057-3066
Product Details | CLOSE TOLERANCE SCREW
5305-01-057-3066 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: BACB30ABP841A, BACB30ABP8-41A, 5305-01-057-3066, 01-057-3066, 5305010573066, 010573066
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 10 MAR 1978 | 01-057-3066 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-01-057-3066
Cross Reference | NSN 5305-01-057-3066
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BACB30ABP8-41A | 81205 | THE BOEING COMPANY DBA BOEING |
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Related Products | NSN 5305-01-057-3066
Technical Data | NSN 5305-01-057-3066
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.542 INCHES MAXIMUM |
| FASTENER LENGTH | 2.812 INCHES MINIMUM AND 2.844 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 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 |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C50 FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.929 INCHES MINIMUM AND 1.024 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | D1 CROSS RECESS TYPE 1 |
| GRIP LENGTH | 2.302 INCHES MINIMUM AND 2.322 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM |
| SURFACE FINISH | 63.0 MICROINCHES GRIP |
Restrictions/Controls & Freight Information | NSN 5305-01-057-3066
| 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 | ||