NSN 5310-00-266-4400 MS203651018, MS20365-1018, MR4319
Product Details | HEXAGON SELF-LOCKING NUT
5310-00-266-4400 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.
Part Alternates: MS203651018, MS20365-1018, MR4319, MR43-19, AN3651018, AN365-1018, 63801416, 638014-16, 5310-00-266-4400, 00-266-4400, 5310002664400, 002664400
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-266-4400 | 05277 ( NUT, SELF-LOCKING, HEXAGON ) |
Drawings & Photos | NSN 5310-00-266-4400
Demand History | NSN 5310-00-266-4400
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AN3651018 | 2025-09-260 | 8 | United States |
| AN3651018 | 2019-11-329 | 11 | IT |
| 5310-00-266-4400 | 2015-02-49 | 4 | EG |
| MS203651018 | 2013-04-120 | 2 | United States |
| AN3651018 | 2011-03-63 | 1 | US |
| 5310-00-266-4400 | 2010-06-168 | 8 | US |
| 5310-00-266-4400 | 2008-12-350 | 25 | United States |
| 5310-00-266-4400 | 2007-12-339 | 5 | US |
Cross Reference | NSN 5310-00-266-4400
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 638014-16 | 98897 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS |
| AN365-1018 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| MR43-19 | 76005 | LORD CORPORATION DBA AEROSPACE DIVISION |
| MS20365-1018 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS |
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Technical Data | NSN 5310-00-266-4400
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| HARDNESS RATING | NOT RATED |
| NUT STYLE | A12 HEXAGON |
| NUT HEIGHT | 0.750 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.938 INCHES NOMINAL |
| BEARING SURFACE TYPE | WASHER FACED |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT |
| TEMP RATING | NOT RATED |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS20365-1018 |
Restrictions/Controls & Freight Information | NSN 5310-00-266-4400
| 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 | ||