Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-050-7571 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: A5259, 5340-00-050-7571, 00-050-7571, 5340000507571, 000507571

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-050-7571

Drawings & Photos | NSN 5340-00-050-7571


Cross Reference | NSN 5340-00-050-7571

Part Number Cage Code Manufacturer
A5259 55469 ESSEX INDUSTRIES, INC.

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Technical Data | NSN 5340-00-050-7571

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT ANODIC COATING PER SPEC MIL-A-8625
STYLE DESIGNATOR N1 SEAT
OVERALL HEIGHT 0.1600 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM
END DIAMETER 0.3000 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.1210 INCHES NOMINAL
FIRST STEP DIAMETER 0.4300 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM
BORE DIAMETER 0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM
COUNTERSINK DIAMETER 0.3730 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG 45.0
DESIGN TYPE SOLID
MANUFACTURERS CODE 55469
DESIGN CONTROL REFERENCE A5259

Restrictions/Controls & Freight Information | NSN 5340-00-050-7571

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
Category Code Description
NMF Description 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 596 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 5340-00-050-7571

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