5998-01-399-8629 BACKPLANE ASSEMBLY Index 5998-01-399-8631 BACKPLANE ASSEMBLY

National Stock Number:
5340-01-399-8630

Federal Supply Class:
5340

National Item Identification Number:
013998630

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:
68A733174-200576301THE BOEING COMPANY


Techincal Specification:
END DIAMETER0.5630 INCHES NOMINAL
BORE DIAMETER0.3750 INCHES MINIMUM AND 0.3820 INCHES MAXIMUM
DESIGN TYPESOLID
DISTANCE FROM END TO FIRST STEP0.2050 INCHES NOMINAL
FIRST STEP DIAMETER0.7950 INCHES MINIMUM AND 0.8050 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 630
OVERALL HEIGHT0.9490 INCHES NOMINAL
SPECIAL FEATURESORIGINAL NAME IS: RETAINER, PISTON SPRING, UPPER AFT-LAU-106 LAUNCHER; F-15 AIRCRAFT, AIM-7F LAUNCHER ASSY
STYLE DESIGNATORSEAT


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