Product Details | HEXAGON PLAIN NUT

5310-00-721-7597 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: 9089230, 5310-00-721-7597, 00-721-7597, 5310007217597, 007217597

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-721-7597

Drawings & Photos | NSN 5310-00-721-7597


Demand History | NSN 5310-00-721-7597

Part Number Request Date QTY Origin
5310-00-721-7597 2009-06-160 4 DIBBS
5310-00-721-7597 2009-04-93 4 DIBBS

Cross Reference | NSN 5310-00-721-7597

Part Number Cage Code Manufacturer
9089230 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 5310-00-721-7597

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 2.125 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-267 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
WIDTH ACROSS FLATS 2.726 INCHES MINIMUM AND 2.774 INCHES MAXIMUM
HOLE CONFIGURATION STYLE H8 CONFIGURATION H
HOLE TYPE AND QUANTITY 6 DRILLED
DRILLED HOLE DIAMETER 0.069 INCHES NOMINAL
BEARING SURFACE TYPE CHAMFERED
TEMP RATING NOT RATED
III BEARING SURFACE FINISH 2500.0 MICROINCHES
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 9089230

Restrictions/Controls & Freight Information | NSN 5310-00-721-7597

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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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 5310-00-721-7597

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative