Product Details | HEXAGON EXTENDED WASHER PLAIN NUT

5310-01-490-6056 A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Part Alternates: 6510E68FN31, 91030A036, 5310-01-490-6056, 01-490-6056, 5310014906056, 014906056

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 02 OCT 2001 01-490-6056

Drawings & Photos | NSN 5310-01-490-6056


Demand History | NSN 5310-01-490-6056

Part Number Request Date QTY Origin
6510E68FN31 2025-11-316 74 DIBBS
91030A036 2025-11-316 74 DIBBS
5310-01-490-6056 2016-04-108 80 DIBBS
5310-01-490-6056 2016-02-34 74 DIBBS
5310-01-490-6056 2014-09-265 127 DIBBS
5310-01-490-6056 2010-08-216 124 DIBBS
5310-01-490-6056 2009-07-188 124 DIBBS

Cross Reference | NSN 5310-01-490-6056

Part Number Cage Code Manufacturer
6510E68FN31 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
91030A036 3A054 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 5310-01-490-6056

Characteristic Specifications
THREAD SERIES UNC
THREAD QUANTITY PER INCH 10
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT OXIDE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A294 HEXAGON
WASHER OUTSIDE DIAMETER 1.625 INCHES NOMINAL
OVERALL HEIGHT 1.000 INCHES NOMINAL
WASHER THICKNESS 0.250 INCHES NOMINAL
WIDTH ACROSS FLATS 1.250 INCHES NOMINAL
TEMP RATING NOT RATED
III END ITEM IDENTIFICATION NUCLEAR REACTOR BOUNDRY AREA, HARDWARE

Restrictions/Controls & Freight Information | NSN 5310-01-490-6056

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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.
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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 5310-01-490-6056

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each