Product Details | HELICAL COMPRESSION SPRING SEAT

5340-01-124-4585 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: 20521, 5340-01-124-4585, 01-124-4585, 5340011244585, 011244585

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 05 JAN 1982 01-124-4585

Drawings & Photos | NSN 5340-01-124-4585


Cross Reference | NSN 5340-01-124-4585

Part Number Cage Code Manufacturer
20521 86090 EATON INDUSTRIAL CORPORATION DBA AIRFRAME

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Technical Data | NSN 5340-01-124-4585

Characteristic Specifications
MATERIAL ALUMINUM ALLOY, AMS 4120
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT ANODIZED, MIL-A-8625
STYLE DESIGNATOR N1 SEAT
END DIAMETER 1.7150 INCHES NOMINAL
FIRST STEP DIAMETER 1.9920 INCHES MINIMUM AND 1.9960 INCHES MAXIMUM
BORE DIAMETER 1.6250 INCHES NOMINAL
COUNTERSINK DIAMETER 1.3750 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG 90.0
DESIGN TYPE SOLID
MANUFACTURERS CODE 86090
DESIGN CONTROL REFERENCE 20521

Restrictions/Controls & Freight Information | NSN 5340-01-124-4585

Category Code Description
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.
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information