Product Details | HEXAGON PLAIN NUT

5310-00-477-1991 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: 3305212328, 330-521-23-28, 5310-00-477-1991, 00-477-1991, 5310004771991, 004771991

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 14 JUN 1971 00-477-1991

Drawings & Photos | NSN 5310-00-477-1991


Cross Reference | NSN 5310-00-477-1991

Part Number Cage Code Manufacturer
330-521-23-28 81220 NATIONAL STEEL AND SHIPBUILDING COMPANY

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Technical Data | NSN 5310-00-477-1991

Characteristic Specifications
THREAD SERIES UNS
NOMINAL THREAD SIZE 2.312 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 1.250 INCHES NOMINAL
WIDTH ACROSS FLATS 3.500 INCHES NOMINAL
BEARING SURFACE TYPE FLAT
TEMP RATING NOT RATED
MANUFACTURERS CODE 81220
DESIGN CONTROL REFERENCE 330-521-23-28

Restrictions/Controls & Freight Information | NSN 5310-00-477-1991

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 093470 BOLTS/NUTS I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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 5310-00-477-1991

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 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