PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z10015-3Bearing,sleeve

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3120-00-540-8583 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-540-8583 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-540-8583. Primary manufacturer part number: 12Z10015-3.
Features
  • Bearing,sleeve — FSC 3120
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Body Outside Diameter: 0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
  • Antirotation/lubrication Type and Quantity: 1 HOLE
  • Material: STEEL OUTER LAYER
  • Surface Treatment: PHOSPHATE ZINC OUTSIDE DIAMETER SURFACE OF BODY
  • Material: PLASTIC POLYAMIDE NYLON INNER LAYER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-540-8583, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-540-8583
Primary Part Number12Z10015-3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Lubricant Accommodation StyleGROOVED CIRCULAR
Body Outside Diameter0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Body Inside Diameter0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity1 HOLE
MaterialSTEEL OUTER LAYER
Surface TreatmentPHOSPHATE ZINC OUTSIDE DIAMETER SURFACE OF BODY
MaterialPLASTIC POLYAMIDE NYLON INNER LAYER
Surface Groove Location and Quantity1 INTERNAL
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface Treatment Document and ClassificationMIL-C-16232,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2520-00-352-21685-92X INTERCHANGEABLE
Spider,universal Joint,vehicular
Dana Corp Spicer Transmission Div
Cross-Reference Index
Part NumberManufacturer
12Z10015-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
6N8 Thomson Industries Inc (USA)
12Z10015-3 Naval Ordnance Standards (USA)
Related Parts
2520-00-352-2168INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
5-92X

Frequently Asked Questions

What is NSN 3120-00-540-8583?

NSN 3120-00-540-8583 is a Bearing,sleeve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-540-8583?

NSN 3120-00-540-8583 has 3 cross-referenced part numbers: 12Z10015-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 6N8 (Thomson Industries Inc), 12Z10015-3 (Naval Ordnance Standards).

What NSN replaces 3120-00-540-8583?

There is 1 known substitute for 3120-00-540-8583: 2520-00-352-2168. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z10015-3?

Key specifications for 12Z10015-3: Overall Length: 0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Lubricant Accommodation Style: GROOVED CIRCULAR; Body Outside Diameter: 0.4980 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Body Inside Diameter: 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-540-8583 still in active supply?

NSN 3120-00-540-8583 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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