NSN 5340-01-135-5820

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-135-5820 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.

Alternate Parts: 28573, 5340-01-135-5820, 01-135-5820, 5340011355820, 011355820

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 27, 198201-135-582024328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-135-5820
Part Number Cage Code Manufacturer
2857386090EATON INDUSTRIAL CORPORATIONDBA AIRFRAME
Technical Data | NSN 5340-01-135-5820
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT1.3800 INCHES MINIMUM AND 1.3900 INCHES MAXIMUM
END DIAMETER0.6400 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP1.3300 INCHES MINIMUM AND 1.3350 INCHES MAXIMUM
FIRST STEP DIAMETER0.9950 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM
CHAMFER ANGLE IN DEG15.0
DESIGN TYPE SOLID
SPECIAL FEATURESNOT CASEHARDENED