Product Details | HEXAGON CASTELLATED PLAIN NUT

5310-00-637-3664 A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.

Part Alternates: FFN836, 5310-00-637-3664, 00-637-3664, 5310006373664, 006373664

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-637-3664

Drawings & Photos | NSN 5310-00-637-3664


Demand History | NSN 5310-00-637-3664

Part Number Request Date QTY Origin
FFN836 2023-09-15 100 TR
FFN836 2021-11-03 200 United States
FFN836 2021-08-16 100 United States
FFN836 2019-02-13 288 US
FFN836 2018-02-01 2 US
FFN836 2017-05-03 25 United States
FFN836 2012-12-06 1 US
FFN836 2010-11-18 100 United Kingdom
FFN836 2010-08-06 1 US
FFN836 2010-08-06 1 US
FFN836 2010-08-06 1 US
FFN836 2010-08-06 1 US
FFN836 2010-03-31 4 us
FFN836 2010-03-22 50 United States
FFN836 2010-02-15 50 United States
FFN836 2009-07-02 1000 US
FFN836 2009-05-21 580 US
FFN836 2008-07-13 20 US
FFN836 2008-06-19 200 US
FFN836 2008-02-08 1 US
FFN836 2007-10-25 100 US

Cross Reference | NSN 5310-00-637-3664

Part Number Cage Code Manufacturer
FFN836 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5310-00-637-3664

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 410 OR STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 109.0 BRINELL STANDARD MAXIMUM
NUT STYLE A1 CASTELLATED, HEXAGON
NUT HEIGHT 0.281 INCHES NOMINAL
WIDTH ACROSS FLATS 0.438 INCHES NOMINAL
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING NOT RATED
NONDEFINITIVE SPEC/STD DATA 5 TYPE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFN836

Restrictions/Controls & Freight Information | NSN 5310-00-637-3664

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 5310-00-637-3664

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
Purchasing QTY
UOM
1
EA : Each