NSN 5305-01-642-8659 NAS1134E22 , 01-642-8659, 016428659
Product Details | CLOSE TOLERANCE SCREW
5305-01-642-8659 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: NAS1134E22 , 5305-01-642-8659, 01-642-8659, 5305016428659, 016428659
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 2015071 | 01-642-8659 | 29294 ( SCREW, CLOSE TOLERANCE ) |
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Technical Data | NSN 5305-01-642-8659
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.316 INCHES NOMINAL |
| FASTENER LENGTH | 1.676 INCHES MINIMUM AND |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | A286 IAW AMS5731,5732,5737 OR 5853 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD 1,CLASS 4 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 5820 POUNDS PER SQUARE INCH |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.473 INCHES MINIMUM AND |
| HEAD HEIGHT | 0.162 INCHES MINIMUM AND |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| GRIP LENGTH | 1.375 INCHES NOMINAL |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND |
| SURFACE FINISH | 125.0 MICROINCHES HEAD |
| SPECIAL FEATURES | OFFSET CRUCIFORM RECESS IAW NASM33781 OR NASM14191;HEAD MARKED WITH BASIC PART NUMBER,APPLICABLE DASH NUMBER,MFG TRADE MARK AND MATL CODE WHERE APPLICABLE;HEAT TREAT 160-190 KSI FTU |
| SPECIFICATION/STANDARD DATA | 80205-NAS1131 THRU NAS1138 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,PAN HEAD,CLOSE TOLERANCE,SHORT THREAD,OFFSET CRUCIFORM |
Restrictions/Controls & Freight Information | NSN 5305-01-642-8659
| 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 | ||