5340-99-739-6458 SEAT,HELICAL COMPRESSION SPRING Index 5340-99-739-7013 SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
5365-99-739-6975

Federal Supply Class:
5365

National Item Identification Number:
997396975

Description:
SPACER,STEPPED

Detail:
A TUBULAR SHAPED ITEM WITH A ROUND OR HEXAGON PERIPHERAL SHAPE HAVING TWO FLAT BEARING SURFACES PERPENDICULAR TO THE AXIS OF THE CENTRALLY LOCATED HOLE. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN ASSEMBLED PARTS. THE ITEM MAY BE WITH OR WITHOUT FLANGE(S) OF ANY PERIPHERAL SHAPE. THE LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNATED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.) IT MUST HAVE ONE OR MORE INTERNAL STEPS (COUNTERBORES) AND/OR EXTERNAL STEPS ON EITHER OR BOTH BEARING SURFACES. EXCLUDES SPACER, OPTICAL ELEMENT. SEE ALSO WASHER, RECESSED AND WASHER, SHOULDERED AND RECESSED.


Manufacturer Information:
1541-1682K1464GOODRICH CONTROL SYSTEMS LTD T/A GOODRICH ENGINE CONTROL SYSTEMS
1541-1682U4287ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED


Techincal Specification:
BODY INSIDE DIAMETER0.685 INCHES MINIMUM AND 0.701 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.07913 INCHES MINIMUM AND 1.08031 INCHES MAXIMUM
FIRST LEFT COUNTERBORE DEPTH0.091 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
FIRST LEFT COUNTERBORE INSIDE DIAMETER0.8701 INCHES MINIMUM AND 0.8720 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONDFSM 4080 MFR REF SINGLE MATERIAL RESPONSE
MATERIALSTEEL CORROSION RESISTING
OVERALL LENGTH0.3661 INCHES MINIMUM AND 0.3858 INCHES MAXIMUM
SURFACE FINISH125.0 MICROINCHES COUNTERBORE DIAMETER
SURFACE FINISH125.0 MICROINCHES LEFT SIDE
SURFACE FINISH250.0 MICROINCHES BORE
SURFACE FINISH250.0 MICROINCHES RIGHT SIDE


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