NSN 5340-01-148-2960

Part Details | HELICAL COMPRESSION SPRING SEAT

5340-01-148-2960 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: 2149926, 5340-01-148-2960, 01-148-2960, 5340011482960, 011482960

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 03, 198301-148-296024328 ( SEAT, HELICAL COMPRESSION SPRING )
REFERENCE DRAWINGS & PICTURES

SEAT

Cross Reference | NSN 5340-01-148-2960
Part Number Cage Code Manufacturer
214992610001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5340-01-148-2960
Characteristic Specifications
MATERIAL HARDNESS RATINGRCB36.0 ROCKWELL C MAXIMUM AND 42.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT0$0
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TYPE 2 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-35,TY 1 OR 3 FED SPEC 2ND TREATMENT RESPONSE
STYLE DESIGNATOR SEAT
OVERALL HEIGHT0.3750 INCHES NOMINAL
END DIAMETER1.0000 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP0.2500 INCHES NOMINAL
FIRST STEP DIAMETER1.6250 INCHES NOMINAL
BORE DIAMETER0.7550 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM
COUNTERBORE LENGTH0.2600 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM
COUNTERBORE DIAMETER0.8800 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURESFOUR 0.1875 IN. DIA HOLE EQUALLY SPACED ON 1.312 IN. BOLT CIRCLE LOCATED ON FIRST STEP DIA