5340-00-914-5400, SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
5340-00-914-5400

Federal Supply Class:
5340

National Item Identification Number:
009145400

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:

491998

77445

RTX CORPORATION

Techincal Specification:

BORE DIAMETER	0.3100 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM
COUNTERBORE DIAMETER	0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
COUNTERBORE LENGTH	0.2600 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM
DESIGN TYPE	SOLID
DISTANCE FROM END TO FIRST STEP	0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM
END DIAMETER	0.3100 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM
FIRST STEP DIAMETER	0.9490 INCHES NOMINAL
FIRST STEP LENGTH	0.0900 INCHES NOMINAL
FSC APPLICATION DATA	HOUSING ASSY,ENGINE ACFT,P/N 491980
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
MATERIAL	STEEL COMP 630
OVERALL HEIGHT	0.5400 INCHES NOMINAL
SECOND COUNTERBORE DIAMETER	0.7700 INCHES MINIMUM AND 0.7900 INCHES MAXIMUM
SECOND COUNTERBORE LENGTH	0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM
SECOND STEP DIAMETER	1.2860 INCHES MINIMUM AND 1.2880 INCHES MAXIMUM
STYLE DESIGNATOR	SEAT
SURFACE TREATMENT	ANODIZE

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