Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-157-3522 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: 668160, 5340-00-157-3522, 00-157-3522, 5340001573522, 001573522

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 18 MAY 1970 00-157-3522

Cross Reference | NSN 5340-00-157-3522

Part Number Cage Code Manufacturer
668160 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
668160 32543 WHITCRAFT LLC DBA WHITCRAFT
668160 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 5340-00-157-3522

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT PASSIVATED
DESIGN TYPE SOLID
MANUFACTURERS CODE 32543
DESIGN CONTROL REFERENCE 668160

Restrictions/Controls & Freight Information | NSN 5340-00-157-3522

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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