PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P50-8Bearing,sleeve

Bunting Bearings Corp Kalamazoo Plant · NSN 3120-00-899-2254 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-899-2254 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-899-2254. Primary manufacturer part number: P50-8.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: OIL LUBRICATING LUBRICATION
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • 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
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 3120-00-899-2254, 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 7 commercial cross-references from 6 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
NSN3120-00-899-2254
Primary Part NumberP50-8
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBunting Bearings Corp Kalamazoo Plant
StatusCANCELLED
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationMIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
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
Body Outside Diameter0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3120-00-353-72786167596 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-932-4464P50-8 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5930-01-083-2206 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
P50-8 Bunting Bearings Corp Kalamazoo Plant (USA)
MS17795-76 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS17795 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
P50-8 Bunting Bearings Corp (USA)
IG579A Prestolite Electric Inc (USA)
EP081016 Bunting Bearings Llc Dba Bunting Bearings Corp (USA)
EP081016 Bunting Bearings Corp Kalamazoo Plant (USA)
Related Parts
3120-00-353-7278INTERCHANGEABLE
BEARING,SLEEVE
6167596
5950-00-932-4464INTERCHANGEABLE
REACTOR
P50-8
5930-01-083-2206INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 3120-00-899-2254?

NSN 3120-00-899-2254 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 3120-00-899-2254?

NSN 3120-00-899-2254 has 7 cross-referenced part numbers: P50-8 (Bunting Bearings Corp Kalamazoo Plant), MS17795-76 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS17795 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), P50-8 (Bunting Bearings Corp), IG579A (Prestolite Electric Inc) and 2 more.

What NSN replaces 3120-00-899-2254?

There are 3 known substitutes for 3120-00-899-2254: 3120-00-353-7278, 5950-00-932-4464, 5930-01-083-2206. Verify interchangeability with system specifications before substitution.

What are the specifications of P50-8?

Key specifications for P50-8: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: OIL LUBRICATING LUBRICATION; Corner Shape: SQUARE ALL CORNERS; Material Document and Classification: MIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-899-2254 still in active supply?

NSN 3120-00-899-2254 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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