Product Details | HEXAGON PLAIN NUT

5310-00-297-8898 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: FF-N-836E TYPE II ST 6 GR 5, FFN836ETYPEIIST6GR5, MILB857TYPE3STYLEA0RBGRADE5, 5310-00-297-8898, 00-297-8898, 5310002978898, 002978898

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-297-8898

Drawings & Photos | NSN 5310-00-297-8898


Cross Reference | NSN 5310-00-297-8898

Part Number Cage Code Manufacturer
FF-N-836E TYPE II ST 6 GR 5 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MILB857TYPE3STYLEA0RBGRADE5 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5310-00-297-8898

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.625 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.718 INCHES NOMINAL
WIDTH ACROSS FLATS 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING NOT RATED
NONDEFINITIVE SPEC/STD DATA 3 TYPE AND A STYLE AND 5 GRADE OR 3 TYPE AND B STYLE AND 5 GRADE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY OVERALL HEIGHT
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILB857TYPE3STYLEA0RBGRADE5

Restrictions/Controls & Freight Information | NSN 5310-00-297-8898

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:UPrecious metal type is unknown
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 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 5310-00-297-8898

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
H
EA : Each