1660-00-140-5276 ORIFICE,FILTER Index 5998-00-140-5285 CIRCUIT CARD ASSEMBLY

National Stock Number:
5340-00-140-5278

Federal Supply Class:
5340

National Item Identification Number:
001405278

Description:
SEAT,HELICAL COMPRESSION SPRING

Detail:
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.


Manufacturer Information:
748962-173030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
DESIGN TYPESOLID
FSC APPLICATION DATAAIRCRAFT ENVIRONMENTAL SYSTEM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4117 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING49.5 ROCKWELL C NOMINAL
MATERIALALUMINUM ALLOY 6061
SPHERICAL SEAT TOP RADIUS0.5950 INCHES MINIMUM AND 0.6100 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONHS334TYPE 1 FSCM 73030 MFR REF SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE


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