Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-423-3893 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: LN16423, 16423, 5340-00-423-3893, 00-423-3893, 5340004233893, 004233893

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-423-3893

Drawings & Photos | NSN 5340-00-423-3893


Demand History | NSN 5340-00-423-3893

Part Number Request Date QTY Origin
16423 2011-04-119 1
16423 2011-02-59 1

Cross Reference | NSN 5340-00-423-3893

Part Number Cage Code Manufacturer
16423 24975 PRESTOLITE ELECTRIC INCORPORATED
16423 35510 PRESTOLITE ELECTRIC INC
LN16423 92392 ALLIS-CHALMERS CORP

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Technical Data | NSN 5340-00-423-3893

Characteristic Specifications
MATERIAL BRASS,SAE 72
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT CADMIUM
STYLE DESIGNATOR N2 SEAT
OVERALL HEIGHT 0.2190 INCHES NOMINAL
END DIAMETER 0.4320 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.0620 INCHES NOMINAL
FIRST STEP DIAMETER 0.6250 INCHES NOMINAL
FIRST STEP LENGTH 0.0470 INCHES NOMINAL
SECOND END DIAMETER 0.4380 INCHES NOMINAL
BORE DIAMETER 0.3750 INCHES NOMINAL
CHAMFER ANGLE IN DEG ANY ACCEPTABLE
DESIGN TYPE SOLID

Restrictions/Controls & Freight Information | NSN 5340-00-423-3893

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
No Freight Information

Management | NSN 5340-00-423-3893

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
1
EA : Each