Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-354-9209 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: B202255, 5340-00-354-9209, 00-354-9209, 5340003549209, 003549209

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-354-9209

Cross Reference | NSN 5340-00-354-9209

Part Number Cage Code Manufacturer
B202255 94233 CROFTON CO

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Technical Data | NSN 5340-00-354-9209

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
OVERALL HEIGHT 0.3750 INCHES NOMINAL
END DIAMETER 0.5160 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.3130 INCHES NOMINAL
FIRST STEP DIAMETER 0.7500 INCHES NOMINAL
BORE DIAMETER 0.4640 INCHES MINIMUM AND 0.4660 INCHES MAXIMUM
COUNTERSINK DIAMETER 0.5570 INCHES MINIMUM AND 0.5590 INCHES MAXIMUM
BORE TAPER IN DEG 7.125
COUNTERSINK ANGLE IN DEG 45.0
CHAMFER ANGLE IN DEG 7.2
DESIGN TYPE SOLID
SPECIAL FEATURES MATL-STEEL ASTM A322 GRADE 1340 OR ASTM A331 GRADE 1340;NOT CASEHARDENED

Restrictions/Controls & Freight Information | NSN 5340-00-354-9209

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: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