5340-00-272-6544 STANDOFF,THREADED,SPACING Index 5340-00-282-9526 STANDOFF,THREADED,SPACING

National Stock Number:
5340-00-274-6915

Federal Supply Class:
5340

National Item Identification Number:
002746915

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:
1210015-10198897LOCKHEED MARTIN CORP


Techincal Specification:
DISTANCE FROM END TO FIRST STEP1.0000 INCHES NOMINAL
END DIAMETER0.7500 INCHES NOMINAL
BORE DIAMETER0.3750 INCHES NOMINAL
CHAMFER ANGLE IN DEG7.0
COUNTERBORE DIAMETER0.6600 INCHES NOMINAL
COUNTERBORE LENGTH1.0000 INCHES NOMINAL
DESIGN TYPESOLID
FIRST STEP DIAMETER1.0100 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM
FSC APPLICATION DATASPRING CARTRIDGE,SPOILER CONTROL,ACFT
OVERALL HEIGHT1.1200 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONC04-1076 FSCM 36659, TEMPER T73510 MFR REF SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 7075
SPECIAL FEATURES0.1240 IN. MIN,0.2900 IN. MAX DIA 2 HOLES IN LINE
SPHERICAL SEAT TOP RADIUS0.0100 INCHES MINIMUM AND 0.0200 INCHES MAXIMUM
STYLE DESIGNATORSEAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONLC+77-2037 FSCM 36659,CLASS 1,GRADE A,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE


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