NSN 5340-00-291-1869

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-291-1869 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: 1202209101, 1202209-101, 5340-00-291-1869, 00-291-1869, 5340002911869, 002911869

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 17, 197300-291-186924328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-291-1869
Part Number Cage Code Manufacturer
1202209-10198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5340-00-291-1869
Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONLCP77-2037,FSCM36659,CLASS 1,GRADE A,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR6 SEAT
OVERALL HEIGHT3.1000 INCHES NOMINAL
END DIAMETER0.9300 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP1.6800 INCHES NOMINAL
FIRST STEP DIAMETER1.4350 INCHES MINIMUM AND 1.4450 INCHES MAXIMUM
FIRST STEP LENGTH0.2000 INCHES NOMINAL
SECOND END DIAMETER0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM
BORE DIAMETER0.5200 INCHES NOMINAL
SECOND COUNTERSINK DIAMETER2.8500 INCHES NOMINAL
COUNTERBORE LENGTH0.3100 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM
COUNTERBORE DIAMETER0.6890 INCHES MINIMUM AND 0.6920 INCHES MAXIMUM
SPHERICAL SEAT TOP RADIUS0.0300 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM
DESIGN TYPE SOLID