PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2884998Plate,retaining,bearing

Naval Sea Systems Command · NSN 3110-01-012-2608 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-012-2608 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-012-2608. Primary manufacturer part number: 2884998.
Features
  • Plate,retaining,bearing — FSC 3110
  • Bolt Circle Hole Quantity: 10
  • Surface Treatment: CHROMATE OVERALL
  • Material: ALUMINUM ALLOY 6061 OVERALL
  • Outside Diameter: 7.218 INCHES NOMINAL IN
  • Aperture Diameter: 4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
  • Raised Surface Height: 0.146 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 6.750 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-012-2608, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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: Active.

Technical Specifications
ParameterValue
NSN3110-01-012-2608
Primary Part Number2884998
Item NamePlate,retaining,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Bolt Circle Hole Quantity10
Surface TreatmentCHROMATE OVERALL
MaterialALUMINUM ALLOY 6061 OVERALL
Outside Diameter7.218 INCHES NOMINAL IN
Aperture Diameter4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
Raised Surface Height0.146 INCHES NOMINAL IN
Mounting Bolt Circle Diameter6.750 INCHES NOMINAL IN
Mounting Hole Diameter0.216 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
Mounting Hole Arrangement StyleSINGLE BOLT HOLE CIRCLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2530-01-291-5778142302 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Landoll Company, Llc
Cross-Reference Index
Part NumberManufacturer
2884998 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
142302 Northrop Grumman Systems Corporation (USA)
2884998 PRIMARY Naval Sea Systems Command (USA)
Related Parts
2530-01-291-5778INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
142302

Frequently Asked Questions

What is NSN 3110-01-012-2608?

NSN 3110-01-012-2608 is a Plate,retaining,bearing, manufactured by Naval Sea Systems Command, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-012-2608?

NSN 3110-01-012-2608 has 3 cross-referenced part numbers: 2884998 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 142302 (Northrop Grumman Systems Corporation), 2884998 (Naval Sea Systems Command).

What NSN replaces 3110-01-012-2608?

There is 1 known substitute for 3110-01-012-2608: 2530-01-291-5778. Verify interchangeability with system specifications before substitution.

What are the specifications of 2884998?

Key specifications for 2884998: Bolt Circle Hole Quantity: 10; Surface Treatment: CHROMATE OVERALL; Material: ALUMINUM ALLOY 6061 OVERALL; Outside Diameter: 7.218 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

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