NSN 5305-01-026-9518 OS1571, 0S1571, 01-026-9518
Product Details | HEXAGON HEAD CAP SCREW
5305-01-026-9518 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.
Part Alternates: OS1571, 0S1571, 5305-01-026-9518, 01-026-9518, 5305010269518, 010269518
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 03 SEP 1976 | 01-026-9518 | 18257 ( SCREW, CAP, HEXAGON HEAD ) |
Drawings & Photos | NSN 5305-01-026-9518
Demand History | NSN 5305-01-026-9518
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 2HA732 | 2025-03-82 | 315 | DIBBS |
| OS1571 | 2025-03-82 | 315 | DIBBS |
| 2HA732 | 2024-07-206 | 200 | DIBBS |
| OS1571 | 2024-07-206 | 200 | DIBBS |
| 2HA732 | 2024-03-77 | 240 | DIBBS |
| OS1571 | 2024-03-77 | 240 | DIBBS |
| 2HA732 | 2023-12-351 | 400 | DIBBS |
| OS1571 | 2023-12-351 | 400 | DIBBS |
| 2HA732 | 2023-08-232 | 101 | DIBBS |
| OS1571 | 2023-08-232 | 101 | DIBBS |
| 5305-01-026-9518 | 2016-08-229 | 14 | DIBBS |
| 5305-01-026-9518 | 2014-11-306 | 1 | DIBBS |
| 5305-01-026-9518 | 2014-07-183 | 1429 | DIBBS |
| 5305-01-026-9518 | 2014-06-168 | 4 | DIBBS |
| 5305-01-026-9518 | 2014-06-160 | 1 | DIBBS |
| 5305-01-026-9518 | 2011-05-122 | 1 | DIBBS |
| 5305-01-026-9518 | 2011-03-66 | 4 | DIBBS |
| 5305-01-026-9518 | 2010-11-326 | 40 | DIBBS |
| 5305-01-026-9518 | 2010-11-323 | 40 | DIBBS |
| 5305-01-026-9518 | 2010-11-315 | 11 | DIBBS |
| 5305-01-026-9518 | 2010-03-60 | 3 | DIBBS |
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Technical Data | NSN 5305-01-026-9518
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| FASTENER LENGTH | 1.750 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | C1 HEXAGON |
| HEAD HEIGHT | 1.054 INCHES MINIMUM AND 1.134 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 2.538 INCHES MINIMUM AND 2.625 INCHES MAXIMUM |
Restrictions/Controls & Freight Information | NSN 5305-01-026-9518
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 | ||