5340-00-717-8325, SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
5340-00-717-8325

Federal Supply Class:
5340

National Item Identification Number:
007178325

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:

548538

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

END DIAMETER	0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
BORE DIAMETER	0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM
COUNTERBORE DIAMETER	0.1340 INCHES MINIMUM AND 0.1440 INCHES MAXIMUM
COUNTERBORE LENGTH	0.1400 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATION	SUPP
DESIGN TYPE	SOLID
DISTANCE FROM END TO FIRST STEP	0.0400 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM
FIRST STEP DIAMETER	0.4310 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM
FIRST STEP LENGTH	0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM
OVERALL HEIGHT	0.3100 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
MATERIAL	STEEL COMP 4340
SECOND COUNTERBORE DIAMETER	0.2070 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM
SECOND COUNTERBORE LENGTH	0.1330 INCHES NOMINAL
SPECIAL FEATURES	NOT CASEHARDENED; ONE HOLE 0.062 IN. DIA THRU 2ND COUNTERBORE
STYLE DESIGNATOR	SEAT
SUPPLEMENTARY FEATURES	DEEP LOOK PROJECT

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