PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B810-10Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-00-051-4333 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-051-4333 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-051-4333. Primary manufacturer part number: B810-10.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN
  • Material: OIL LUBRICATING LUBRICATION
  • Body Inside Diameter: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Hardness Rating: 30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-051-4333, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-051-4333
Primary Part NumberB810-10
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusCANCELLED
Body Outside Diameter0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Body Inside Diameter0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
Material Document and ClassificationMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Hardness Rating30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-8657,TYPE 1,COMP A MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-8657,TYPE 1,COMP B MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5999-00-264-7089DM37 INTERCHANGEABLE
Cap,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5915-00-437-6297 INTERCHANGEABLE
Filter,radio Frequency Interfere
5330-00-886-6287CVAN65-523-1897628PC12 INTERCHANGEABLE
Gasket
Naval Ship Systems Command
6680-01-412-5769P5010 INTERCHANGEABLE
Indicator,electrical Tachometer
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
5120-01-714-153665325G01 INTERCHANGEABLE
Key,socket Head Screw
Wilcox Industries Corp. Dba Wilcox Industries Corp
Cross-Reference Index
Part NumberManufacturer
B810-10 Altra Industrial Motion Corp. (USA)
P50-10 Bunting Bearings Corp (USA)
MS17795-77 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA-628-11 Beemer Precision Inc (USA)
EP 81020 Bunting Bearings Corp (USA)
P50-10 Bunting Bearings Corp Kalamazoo Plant (USA)
720-4793373 ITEM 29 Lockheed Corp Lockheed Shipbuilding and Construction Co (USA)
A607-6 Chrysler Corp Amplex Div (USA)
AA-628-11 Chrysler Corp Amplex Div (USA)
AA607-6 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
6391K217 Mcmaster-Carr Supply Co (USA)
MS17795 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A607-6 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
3021738-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
AA607-6 Eagle-Picher Industries Inc Kingwell Div (USA)
SL501-20 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
AA607-6 Beemer Precision Inc (USA)
AA607-6 Chrysler Corp Amplex Div (USA)
CS502BA1250 Bound Brook Bearing Co (USA)
Related Parts
5999-00-264-7089INTERCHANGEABLE
CAP,ELECTRICAL
DM37
5915-00-437-6297INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5330-00-886-6287INTERCHANGEABLE
GASKET
CVAN65-523-1897628PC12
6680-01-412-5769INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
P5010
5120-01-714-1536INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
65325G01

Frequently Asked Questions

What is NSN 3120-00-051-4333?

NSN 3120-00-051-4333 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-051-4333?

NSN 3120-00-051-4333 has 19 cross-referenced part numbers: B810-10 (Altra Industrial Motion Corp.), P50-10 (Bunting Bearings Corp), MS17795-77 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AA-628-11 (Beemer Precision Inc), EP 81020 (Bunting Bearings Corp) and 14 more.

What NSN replaces 3120-00-051-4333?

There are 5 known substitutes for 3120-00-051-4333: 5999-00-264-7089, 5915-00-437-6297, 5330-00-886-6287 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B810-10?

Key specifications for B810-10: Body Outside Diameter: 0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN; Material: OIL LUBRICATING LUBRICATION; Overall Length: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN; Body Inside Diameter: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-051-4333 still in active supply?

NSN 3120-00-051-4333 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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