Linear-Rotary Motion Roller

A51G20519-11

A51G20519-11
(NSN) National Stock Number
3120-00-868-0623
Federal Supply Classification
3120 Unmounted Plain Bearings
Item Name Code
28215
Schedule B Code
8482997090
Summary

Not casehardened casehardening indicator, 39.0 minimum rockwell c and 42.0 maximum rockwell c metallic hardness rating, steel material, chromium surface treatment, qq-c-320 fed spec single treatment response surface treatment document and classification

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes:bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

INC FIIG Concept Condition
28215 T267-K - 1
Specifications
Casehardening Indicator
not casehardened
Details Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
Metallic Hardness Rating
39.0 minimum rockwell c and 42.0 maximum rockwell c
Details A numeric value that reflects the hardness of a metallic item when used in conjunction with a hardness rating scale.
Material
steel
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
chromium
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Surface Treatment Document And Classification
qq-c-320 fed spec single treatment response
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
A51G20519-11 61174 5 - 5 9 - KZ
A51G20519-11 26512 5 - 3 9 - KZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
58770 - W -
RVC WCC TCC SHC
- 742 Z 9

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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION
CAGE: 79RG9
JACKSONVILLE , FL , 32221-8130
UNITED STATES
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FAQs
Frequently asked questions for NSN 3120-00-868-0623
What is the NIIN of the NSN 3120-00-868-0623?
The National Item Identification Number (NIIN) of the NSN 3120-00-868-0623 is 00-868-0623
When the NSN 3120-00-868-0623 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sat, Apr 29, 1972
Does the NSN 3120-00-868-0623 contain any precious metals?
Does not contain precious metal
Does the NSN 3120-00-868-0623 contain any hazardous material?
No data in HMIRS

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