Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-396-2643 A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.

Part Alternates: 3B6898, 5340-00-396-2643, 00-396-2643, 5340003962643, 003962643

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-396-2643

Drawings & Photos | NSN 5340-00-396-2643


Cross Reference | NSN 5340-00-396-2643

Part Number Cage Code Manufacturer
3B6898 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 5340-00-396-2643

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
STYLE DESIGNATOR N4 SEAT
OVERALL HEIGHT 0.4380 INCHES NOMINAL
END DIAMETER 0.5620 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.1250 INCHES NOMINAL
FIRST STEP DIAMETER 0.6560 INCHES NOMINAL
FIRST STEP LENGTH 0.1250 INCHES NOMINAL
SECOND STEP DIAMETER 1.0000 INCHES NOMINAL
SECOND STEP LENGTH 0.1880 INCHES NOMINAL
THIRD STEP DIAMETER ANY ACCEPTABLE
BORE DIAMETER 0.5360 INCHES MINIMUM AND 0.5380 INCHES MAXIMUM
BORE TAPER IN DEG 14.2
DESIGN TYPE SOLID
MANUFACTURERS CODE 11083
DESIGN CONTROL REFERENCE 3B6898

Restrictions/Controls & Freight Information | NSN 5340-00-396-2643

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
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 095190 HARDWARE, NOI SUB 9
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 5340-00-396-2643

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
5
EA : Each