NSN 5310-00-558-7526 EWN2212, EWN22-12, EWN221216
Product Details | DOUBLE HEXAGON SELF-LOCKING NUT
5310-00-558-7526 A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
Part Alternates: EWN2212, EWN22-12, EWN221216, EWN22-1216, 5191382, 5310-00-558-7526, 00-558-7526, 5310005587526, 005587526
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-558-7526 | 05276 ( NUT, SELF-LOCKING, DOUBLE HEXAGON ) |
Drawings & Photos | NSN 5310-00-558-7526
Demand History | NSN 5310-00-558-7526
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5310-00-558-7526 | 2025-12-349 | 1 | US |
| EWN22-12 | 2025-06-170 | 339 | DIBBS |
| EWN22-12 | 2024-05-150 | 256 | DIBBS |
| EWN22-12 | 2023-02-37 | 107 | DIBBS |
| EWN22-12 | 2022-06-164 | 232 | DIBBS |
| 5310-00-558-7526 | 2018-03-74 | 465 | DIBBS |
| 5310-00-558-7526 | 2017-12-351 | 550 | DIBBS |
| 5310-00-558-7526 | 2017-10-288 | 237 | DIBBS |
| 5310-00-558-7526 | 2017-05-151 | 266 | DIBBS |
| 5310-00-558-7526 | 2016-04-119 | 350 | DIBBS |
| 5310-00-558-7526 | 2015-12-340 | 150 | DIBBS |
| EWN221216 | 2014-03-80 | 250 | US |
| 5310-00-558-7526 | 2014-01-29 | 273 | DIBBS |
| 5310-00-558-7526 | 2014-01-14 | 273 | DIBBS |
| 5310-00-558-7526 | 2013-08-221 | 204 | DIBBS |
| 5310-00-558-7526 | 2011-08-230 | 154 | DIBBS |
| 5310-00-558-7526 | 2010-04-103 | 224 | DIBBS |
| EWN2212 | 2010-03-89 | 250 | US |
| 5310-00-558-7526 | 2010-03-69 | 215 | US |
| 5310-00-558-7526 | 2010-02-35 | 24 | DIBBS |
| EWN2212 | 2010-01-06 | 205 | US |
| 5310-00-558-7526 | 2009-12-337 | 21 | DIBBS |
| 5310-00-558-7526 | 2009-10-300 | 220 | US |
| 5191382 | 2009-09-272 | 21 | US |
| EWN2212 | 2009-09-267 | 205 | US |
| 5310-00-558-7526 | 2008-02-35 | 10 | DIBBS |
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Related Products | NSN 5310-00-558-7526
Technical Data | NSN 5310-00-558-7526
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| NUT STYLE | A16 DOUBLE HEXAGON |
| NUT HEIGHT | 1.005 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 1.508 INCHES NOMINAL |
| BEARING SURFACE TYPE | CHAMFERED |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| TEMP RATING | 550.0 DEG FAHRENHEIT NOMINAL |
| MANUFACTURERS CODE | 56878 |
| DESIGN CONTROL REFERENCE | EWN22-12 |
Restrictions/Controls & Freight Information | NSN 5310-00-558-7526
| 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: | 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 | 573 | unknown |
| Originating Activity Code | XX | |
| 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 |
Management | NSN 5310-00-558-7526
Air Force
Navy| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | SX | SX:AF SICA RESIDUAL MMAC-OC-ALC |
| Price Validation | V | The current standard price has been validated.
|
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |