Product Details | HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-628-4949 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: MS210424, MS21042-4 , NASM21042 , 5310-01-628-4949, 01-628-4949, 5310016284949, 016284949

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 2014148 01-628-4949

Drawings & Photos | NSN 5310-01-628-4949


Demand History | NSN 5310-01-628-4949

Part Number Request Date QTY Origin
MS210424 2025-12-335 80 us
5310-01-628-4949 2025-08-233 1 United States
MS210424 2025-07-199 500 Hong Kong
MS210424 2025-01-07 310 US
MS210424 2024-11-318 6 Canada
MS210424 2024-10-289 20 AE
MS210424 2024-05-129 100 FR
MS210424 2023-12-345 20 ZA
MS210424 2023-10-285 50 United Arab Emirates
5310-01-628-4949 2023-10-282 15 Saudi Arabia
MS210424 2023-09-249 200 US
MS210424 2023-08-233 10 US
MS210424 2023-04-115 1 us
MS210424 2021-10-298 250 US
MS210424 2021-10-298 500 US
MS210424 2021-06-167 275 US
MS210424 2021-04-110 59 Malaysia
MS210424 2021-02-49 100 United States
MS210424 2020-11-316 100 United States
MS210424 2020-10-303 100 United States
MS210424 2020-09-259 30 United States
MS210424 2020-09-247 50 United States
5310-01-628-4949 2020-01-09 10 US
MS210424 2020-01-06 50 United States
MS210424 2019-09-254 1 ID
MS210424 2019-09-254 1 ID
MS210424 2019-07-190 100 United States
MS210424 2019-03-64 20 United States
MS210424 2019-01-25 6 US
MS210424 2019-01-23 176 United States
MS210424 2018-06-164 25 United States
MS210424 2018-03-86 100 Hong Kong
5310-01-628-4949 2017-12-349 32 United States
MS210424 2017-05-143 40000 DE
MS210424 2016-11-306 25 United Arab Emirates
MS210424 2016-10-293 400 us
MS210424 2016-09-273 55 United States
MS210424 2016-03-81 2000 us
MS210424 2015-10-288 2 US
MS210424 2015-09-265 865 Malaysia
MS210424 2015-09-259 1000 United States
MS210424 2015-07-207 125 United States
MS21042-4 2015-07-201 3000
MS210424 2015-07-183 500 US
MS210424 2015-06-161 16 US
MS210424 2015-05-149 40 US
MS21042-4 2015-03-85 595 US
MS21042-4 2015-03-69 500 US
MS210424 2015-02-57 60 US
MS210424 2015-02-57 58 US
MS210424 2015-02-44 40 United States
MS210424 2014-12-349 200 US
MS210424 2014-11-330 360 Malaysia
MS21042-4 2014-11-330 360 MY
MS210424 2014-11-308 141 US
MS21042-4 2014-11-308 5000 United States
MS210424 2014-10-290 60 United States
MS210424 2014-08-223 24 US
MS210424 2014-08-217 12 Canada
MS210424 2014-07-190 5 US
MS210424 2014-06-155 4 United States
MS21042-4 2014-03-71 21 United States
MS210424 2014-02-55 2500 US
MS210424 2014-01-30 2000 United States
MS210424 2014-01-20 200 Thailand
MS21042-4 2013-11-322 32 Belgium
MS210424 2013-09-261 31 United States
MS21042-4 2013-04-94 12 ID
MS21042-4 2012-09-263 250 US
MS210424 2012-03-90 60 US
MS210424 2012-03-68 50 United Kingdom
MS210424 2011-10-295 1000 US
MS210424 2011-07-200 4 United States
MS210424 2011-07-195 21 CA
MS210424 2011-06-181 34 US
MS210424 2011-05-129 2 United States
MS210424 2011-05-126 30 United States
MS210424 2011-02-41 200 United States
MS210424 2010-08-238 468 US
MS210424 2010-08-238 936 US
MS210424 2010-07-190 1050 United States
MS210424 2009-11-313 2000 United States
MS210424 2009-10-282 10000 United States
MS210424 2008-12-357 120 US
MS210424 2008-04-106 46 DE
MS210424 2007-07-183 500 US

Cross Reference | NSN 5310-01-628-4949

Part Number Cage Code Manufacturer
MS21042-4 5B5M3 EDGEWOOD CHEMICAL BIOLOGICAL CENTER DIV DEPT OF ARMY
NASM21042 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-01-628-4949

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
NUT STYLE HEXAGON
WASHER OUTSIDE DIAMETER 0.420 INCHES MAXIMUM
OVERALL HEIGHT 0.204 INCHES MINIMUM AND
WASHER THICKNESS 0.019 INCHES MINIMUM
WIDTH ACROSS FLATS 0.304 INCHES MINIMUM AND
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
III END ITEM IDENTIFICATION 4910-01-539-6129
III PART NAME ASSIGNED BY CONTROLLING AGENCY NUT, SELF LOCKING

Restrictions/Controls & Freight Information | NSN 5310-01-628-4949

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem 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:0Represents 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
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 GX HQ Defense Logistics Agency, Enterprise Business
Systems
Fort Belvoir, VA 22060
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 5310-01-628-4949

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative