NSN 5305-00-842-1640 AS104059, AS104-05-9, CA273059
Product Details | CLOSE TOLERANCE SCREW
5305-00-842-1640 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: AS104059, AS104-05-9, CA273059, CA2730-5-9, CC0003559, CC00035-5-9, 5305-00-842-1640, 00-842-1640, 5305008421640, 008421640
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 23 DEC 1966 | 00-842-1640 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Drawings & Photos | NSN 5305-00-842-1640
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Technical Data | NSN 5305-00-842-1640
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.312 INCHES NOMINAL |
| FASTENER LENGTH | 1.082 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HEAD STYLE | C49 FLAT CHAMFER |
| HEAD DIAMETER | 0.4362 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM |
| HEAD HEIGHT | 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | D5 HEXAGON |
| WIDTH ACROSS FLATS | 0.2187 INCHES MINIMUM AND 0.2212 INCHES MAXIMUM |
| GRIP LENGTH | 0.562 INCHES MINIMUM AND 0.582 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES OVERALL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.946 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | RETAINING ELEMENTS IN SHANK |
| MANUFACTURERS CODE | 84256 |
| DESIGN CONTROL REFERENCE | AS104-05-9 |
Restrictions/Controls & Freight Information | NSN 5305-00-842-1640
| 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 |
|---|---|---|
| NMF Description | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | KZ | Defense Supply Center Philadelphia Philadelphia, PA 19101 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |