PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS502BB1000Bearing,sleeve

Bound Brook Bearing Co · NSN 3120-00-722-7288 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-722-7288 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-722-7288. Primary manufacturer part number: CS502BB1000.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: OIL LUBRICATING LUBRICATION
  • Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-722-7288, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bound Brook Bearing Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-722-7288
Primary Part NumberCS502BB1000
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBound Brook Bearing Co
StatusCANCELLED
Body Inside Diameter0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialOIL LUBRICATING LUBRICATION
Hardness Rating30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
Body Outside Diameter0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2930-00-004-84204919814 INTERCHANGEABLE
Pump,water,engine C
Cummins Inc.
2940-00-230-36813105264A INTERCHANGEABLE
Filter Element,fluid
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
6685-01-147-927720-1000BS-02L-XPD-0-15 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
Cross-Reference Index
Part NumberManufacturer
CS502BB1000 Bound Brook Bearing Co (USA)
34760-B812-8 Altra Industrial Motion Corp. (USA)
13141029 PIECE 2 Gulf Coast Holdings, Inc Dba Unidynamics (USA)
MS17795 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
P52-8 Bunting Bearings Corp (USA)
MS17795-83 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
B812-8 Altra Industrial Motion Corp. (USA)
13141029 PIECE 2 Unidynamics/saint Louis Inc Conroe Opns (USA)
P52-8 Bunting Bearings Corp Kalamazoo Plant (USA)
Related Parts
2930-00-004-8420INTERCHANGEABLE
PUMP,WATER,ENGINE C
4919814
2940-00-230-3681INTERCHANGEABLE
FILTER ELEMENT,FLUID
3105264A
6685-01-147-9277INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
20-1000BS-02L-XPD-0-15

Frequently Asked Questions

What is NSN 3120-00-722-7288?

NSN 3120-00-722-7288 is a Bearing,sleeve, manufactured by Bound Brook Bearing Co, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-722-7288?

NSN 3120-00-722-7288 has 9 cross-referenced part numbers: CS502BB1000 (Bound Brook Bearing Co), 34760-B812-8 (Altra Industrial Motion Corp.), 13141029 PIECE 2 (Gulf Coast Holdings, Inc Dba Unidynamics), MS17795 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), P52-8 (Bunting Bearings Corp) and 4 more.

What NSN replaces 3120-00-722-7288?

There are 3 known substitutes for 3120-00-722-7288: 2930-00-004-8420, 2940-00-230-3681, 6685-01-147-9277. Verify interchangeability with system specifications before substitution.

What are the specifications of CS502BB1000?

Key specifications for CS502BB1000: Body Inside Diameter: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Material Document and Classification: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Corner Shape: SQUARE ALL CORNERS. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-722-7288 still in active supply?

NSN 3120-00-722-7288 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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