Product Details | EXTENDED WASHER SELF-LOCKING NUT

5310-01-615-4778 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: HW5155008, HW51550-08 , 5310-01-615-4778, 01-615-4778, 5310016154778, 016154778

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 2013014 01-615-4778

Demand History | NSN 5310-01-615-4778

Part Number Request Date QTY Origin
HW51550-08 2025-01-21 598 DIBBS
HW51550-08 2025-01-13 598 DIBBS
HW51550-08 2024-07-200 261 DIBBS
HW51550-08 2024-07-192 261 DIBBS
HW51550-08 2023-07-192 386 DIBBS
HW51550-08 2022-12-346 190 DIBBS
HW51550-08 2022-08-219 180 DIBBS
5310-01-615-4778 2022-07-210 50 US
HW51550-08 2022-03-75 147 DIBBS
HW51550-08 2021-12-340 51 DIBBS
HW51550-08 2021-11-319 50 DIBBS
HW51550-08 2021-05-124 50 DIBBS
HW51550-08 2021-03-82 50 DIBBS

Cross Reference | NSN 5310-01-615-4778

Part Number Cage Code Manufacturer
HW51550-08 15653 ALCOA GLOBAL FASTENERS, INC.

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Restrictions/Controls & Freight Information | NSN 5310-01-615-4778

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
No Freight Information