NSN 5305-01-591-1288 NAS112230, NAS1122-30, 01-591-1288
Product Details | CLOSE TOLERANCE SCREW
5305-01-591-1288 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: NAS112230, NAS1122-30, 5305-01-591-1288, 01-591-1288, 5305015911288, 015911288
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 12 JAN 2011 | 01-591-1288 | 29294 ( SCREW, CLOSE TOLERANCE ) |
Cross Reference | NSN 5305-01-591-1288
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1122-30 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES |
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Technical Data | NSN 5305-01-591-1288
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJC |
| THREAD DIRECTION | RIGHT-HAND |
| POINT STYLE | FLAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| THREAD QUANTITY PER INCH | 32 |
| SURFACE TREATMENT | CADMIUM OVERALL |
| MINIMUM TENSILE STRENGTH | 2240 POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| POINT DIAMETER | 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| FASTENER LENGTH | 2.151 INCHES NOMINAL |
| THREAD LENGTH | 0.276 INCHES NOMINAL |
| HEAD STYLE | FLAT FILLISTER |
| HEAD HEIGHT | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| HEAD DIAMETER | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| GRIP LENGTH | 1.875 NOMINAL INCHES |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| GRIP DIAMETER | 0.255 NOMINAL MILS |
| THREAD CLASS | 3A |
Restrictions/Controls & Freight Information | NSN 5305-01-591-1288
| 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 | ||