5340-01-025-8171 COVER,ACCESS Index 5340-01-028-0252 COVER,ACCESS

National Stock Number:
5340-01-025-8823

Federal Supply Class:
5340

National Item Identification Number:
010258823

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:
1128HM40126-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
1128HM40126-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
MATERIAL HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
MATERIALSTEEL
STYLE DESIGNATORSEAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE


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