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National Stock Number (NSN) 3120-01-127-4121 (3120011274121) Parts List

Item Name Roller Linear Rotary Motion
Federal Supply Group (FSG) Bearings
Federal Supply Class (FSC) 3120 Bearings Plain Unmounted
National Item Identification Number (NIIN) 01-127-4121 (011274121)
NCB Code USA (01)
Manufacturer Eaton Corporation, Eaton Aerospace Ltd
Part Number Manufacturer Item Name Cage Code RFQ
MC15365 eaton corporation roller linear rotary motion 99643 RFQ
MC15365 eaton aerospace ltd roller linear rotary motion 76050 RFQ

Technical Characteristics of NSN 3120011274121

MRCCriteriaCharacteristic
AASGCASEHARDENING INDICATORNOT CASEHARDENED
ABKVOUTSIDE DIAMETER0.677 INCHES MINIMUM AND 0.679 INCHES MAXIMUM
AETCMETALLIC HARDNESS RATING82.0 MINIMUM ROCKWELL SUPERFICIAL 15-N AND 84.0 MAXIMUM ROCKWELL SUPERFICIAL 15-N
AQPLFACE WIDTH0.339 INCHES NOMINAL
BCXDBORE INSIDE DIAMETER0.2505 INCHES MINIMUM AND 0.2526 INCHES MAXIMUM
MATTMATERIALSTEEL,CORROSION RESISTING,AMS 5629
SFTTSURFACE TREATMENTPASSIVATED,MCP38 FSCM 76050
STYLSTYLE DESIGNATORPLAIN

Relevant Components for NSN - 3120-01-127-4121, 3120011274121
3110-01-211-2805 (3110012112805) 3120-01-257-6733 (3120012576733) 3120-00-662-8792 (3120006628792) 3120-01-556-4188 (3120015564188)
3110-00-198-0780 (3110001980780) 3120-01-335-6987 (3120013356987) 3120-01-251-2000 (3120012512000) 3110-00-275-0562 (3110002750562)
3110-00-227-2438 (3110002272438) 3130-01-253-7332 (3130012537332) 3110-01-563-7380 (3110015637380) 3120-01-370-1090 (3120013701090)

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