NSN 5340-00-310-2122

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-00-310-2122 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: 1292650101, 1292650-101, 5340-00-310-2122, 00-310-2122, 5340003102122, 003102122

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 26, 197300-310-212224328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-00-310-2122
Part Number Cage Code Manufacturer
1292650-10198897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5340-00-310-2122
Characteristic Specifications
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONLCP77-1063 FSCM 36659,TYPE 2,CLASS 2 MFR REF SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR5 SEAT
OVERALL HEIGHT1.7800 INCHES NOMINAL
END DIAMETER0.4280 INCHES MINIMUM AND 0.4330 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP1.0800 INCHES NOMINAL
FIRST STEP DIAMETER0.5000 INCHES NOMINAL
FIRST STEP LENGTH0.6100 INCHES NOMINAL
SECOND STEP DIAMETER0.7500 INCHES NOMINAL
BORE DIAMETER0.2500 INCHES NOMINAL
COUNTERBORE LENGTH1.1180 INCHES NOMINAL
COUNTERBORE DIAMETER0.3310 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG40.0
DESIGN TYPE SOLID
SPECIAL FEATURES0.2500-28 UNJF-3B INTERNAL THD ON THE END,0.0690 IN. MIN,0.0740 IN. MAX DIA OF SECURING PIN HOLE THROUGH THDS
FSC APPLICATION DATAGUST LOCK,SPOILER,AIRCRAFT