PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EP081206Bearing,sleeve

Bunting Bearings Corp Kalamazoo Plant · NSN 3120-00-959-0003 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-959-0003 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-959-0003. Primary manufacturer part number: EP081206.
Features
  • Bearing,sleeve — FSC 3120
  • 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
  • Material Document and Classification: MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material: OIL LUBRICATING LUBRICATION
  • Body Outside Diameter: 0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
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 3120-00-959-0003, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bunting Bearings Corp Kalamazoo Plant. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-959-0003
Primary Part NumberEP081206
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBunting Bearings Corp Kalamazoo Plant
StatusCANCELLED
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
Material Document and ClassificationMIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
MaterialOIL LUBRICATING LUBRICATION
Body Outside Diameter0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3820-00-124-6732 INTERCHANGEABLE
Pilot,auger Point
4620-00-132-1143 INTERCHANGEABLE
Vapor Separator
2530-00-164-0986037341 INTERCHANGEABLE
Piston,hydraulic Brake
Caterpillar Inc Div Caterpillar Defense
5945-00-578-45362493810 INTERCHANGEABLE
Relay,thermal
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5331-01-061-9032 INTERCHANGEABLE
O-Ring
5365-01-624-1367EP081206 INTERCHANGEABLE
Bushing Blank
Bunting Bearings Corp
Cross-Reference Index
Part NumberManufacturer
EP081206 Bunting Bearings Corp Kalamazoo Plant (USA)
12Z10003-305 Naval Ordnance Standards (USA)
B812-3 Altra Industrial Motion Corp. (USA)
MS17795-78 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
EP081206 Bunting Bearings Llc Dba Bunting Bearings Corp (USA)
MS17795 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS77 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
502-753-24 Asco Sintering Co
P52-3 Bunting Bearings Corp (USA)
P52-3 Bunting Bearings Corp Kalamazoo Plant (USA)
Related Parts
3820-00-124-6732INTERCHANGEABLE
PILOT,AUGER POINT
4620-00-132-1143INTERCHANGEABLE
VAPOR SEPARATOR
2530-00-164-0986INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
037341
5945-00-578-4536INTERCHANGEABLE
RELAY,THERMAL
2493810
5331-01-061-9032INTERCHANGEABLE
O-RING
5365-01-624-1367INTERCHANGEABLE
BUSHING BLANK
EP081206

Frequently Asked Questions

What is NSN 3120-00-959-0003?

NSN 3120-00-959-0003 is a Bearing,sleeve, manufactured by Bunting Bearings Corp Kalamazoo Plant, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-959-0003?

NSN 3120-00-959-0003 has 10 cross-referenced part numbers: EP081206 (Bunting Bearings Corp Kalamazoo Plant), 12Z10003-305 (Naval Ordnance Standards), B812-3 (Altra Industrial Motion Corp.), MS17795-78 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), EP081206 (Bunting Bearings Llc Dba Bunting Bearings Corp) and 5 more.

What NSN replaces 3120-00-959-0003?

There are 6 known substitutes for 3120-00-959-0003: 3820-00-124-6732, 4620-00-132-1143, 2530-00-164-0986 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EP081206?

Key specifications for EP081206: 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; Material Document and Classification: MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-959-0003 still in active supply?

NSN 3120-00-959-0003 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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