AT7T

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AT7T
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-227-2804
Item Name Code
00051
Assigment Date
01/01/1963 (63 years ago)

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

0.5310 inches nominal outer ring width, 0.9375 inches nominal overall outside diameter, ground surface finish, 0.6250 inches nominal inner ring width, 0.4375 inches nominal bore diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter
0.4375 inches nominal
Overall Outside Diameter
0.9375 inches nominal
Outer Ring Width
0.5310 inches nominal
Inner Ring Width
0.6250 inches nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Alignment Type
rigid
Standard Tolerance Designation
afbma std tolerance for airframe needle bearings
Lubrication Material
grease
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Material
steel comp e50100 or steel comp e51100 or steel comp e52100 overall
Surface Treatment
cadmium exposed surfaces as mounted
Surface Treatment Document And Classification
qq-p-416,ty 1,cl 2 fed spec single treatment response exposed surfaces as mounted
Style Designator
airframe, hardened and ground, non-separable
Specification/Standard Data
96906-ms24461 government standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-227-3114 No Name Available 11/07/1969

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
24461-7 Needle Roller Bearing
505-7 Needle Roller Bearing
7NBC1015YZP Needle Roller Bearing
7NBC1015YZP2C Needle Roller Bearing
7NBC1015YZPANG25 Needle Roller Bearing
7NBC1015YZPMILG3 Needle Roller Bearing
7NBC101T6ZPMILG3 Needle Roller Bearing
AT7T Needle Roller Bearing
MS24461-7 Needle Roller Bearing
NAS505-7 Needle Roller Bearing
NAS505-7M1LG3278 Needle Roller Bearing
NAS505-7MILG3278 Needle Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-00-227-2804?
The FSCG of the NSN 3110-00-227-2804 is 3110
Does the NSN 3110-00-227-2804 have a Schedule B code assigned?
Yes, the Schedule B code is 8482400000
Does NSN 3110-00-227-2804 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3110-00-227-2804 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-227-2804 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-00-227-2804 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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