Product Details | HELICAL COMPRESSION SPRING SEAT

5340-01-318-2173 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: 2146264, 5340-01-318-2173, 01-318-2173, 5340013182173, 013182173

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 14 APR 1990 01-318-2173

Drawings & Photos | NSN 5340-01-318-2173


Cross Reference | NSN 5340-01-318-2173

Part Number Cage Code Manufacturer
2146264 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5340-01-318-2173

Characteristic Specifications
MATERIAL STEEL, ASTM A108, GRADE 1020
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT PHOSPHATE,DOD-P-16232,TY M,CL 3
STYLE DESIGNATOR N17 SEAT
OVERALL HEIGHT 0.9370 INCHES NOMINAL
END DIAMETER 0.6250 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.7810 INCHES NOMINAL
FIRST STEP DIAMETER 0.9680 INCHES NOMINAL
BORE DIAMETER 0.4370 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURES FOUR SLOTS EQUALLY SPACED TOP SECTION

Restrictions/Controls & Freight Information | NSN 5340-01-318-2173

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: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.
Category Code Description
NMF Description 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5340-01-318-2173

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