PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA4-3Plate,retaining,bearing

Roller Bearing Co of America, Inc Div Pic Design · NSN 3110-00-648-2102 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-648-2102 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-648-2102. Primary manufacturer part number: AA4-3.
Features
  • Plate,retaining,bearing — FSC 3110
  • Distance Between Holes Along Width: 0.765 INCHES NOMINAL IN
  • Nominal Thread Size: 6.000 INCHES IN
  • Raised Surface Height: 1.250 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY OVERALL
  • Surface Treatment: ANODIZE OVERALL
  • Mounting Hole Type: ROUND, THREADED
  • Cross-Sectional Shape Style: RAISED SURFACE W/ APERTURE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-648-2102, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-648-2102
Primary Part NumberAA4-3
Item NamePlate,retaining,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Distance Between Holes Along Width0.765 INCHES NOMINAL IN
Nominal Thread Size6.000 INCHES IN
Raised Surface Height1.250 INCHES NOMINAL IN
MaterialALUMINUM ALLOY OVERALL
Surface TreatmentANODIZE OVERALL
Mounting Hole TypeROUND, THREADED
Cross-Sectional Shape StyleRAISED SURFACE W/ APERTURE
Overall Thickness0.500 INCHES NOMINAL IN
Aperture Diameter0.500 INCHES NOMINAL IN
Width0.875 INCHES NOMINAL IN
Thread Quantity Per Inch32
Outside Raised Surface Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
8520-00-129-0805 INTERCHANGEABLE
Soap,grit
8520-00-634-1594RP-GS1001 INTERCHANGEABLE
Soap,grit
Replenish Products, Llc
Cross-Reference Index
Part NumberManufacturer
9072838 Us Army Aviation and Missile Command (USA)
AA4-3 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
8520-00-129-0805INTERCHANGEABLE
SOAP,GRIT
8520-00-634-1594INTERCHANGEABLE
SOAP,GRIT
RP-GS1001

Frequently Asked Questions

What is NSN 3110-00-648-2102?

NSN 3110-00-648-2102 is a Plate,retaining,bearing, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-648-2102?

NSN 3110-00-648-2102 has 2 cross-referenced part numbers: 9072838 (Us Army Aviation and Missile Command), AA4-3 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3110-00-648-2102?

There are 2 known substitutes for 3110-00-648-2102: 8520-00-129-0805, 8520-00-634-1594. Verify interchangeability with system specifications before substitution.

What are the specifications of AA4-3?

Key specifications for AA4-3: Distance Between Holes Along Width: 0.765 INCHES NOMINAL IN; Nominal Thread Size: 6.000 INCHES IN; Raised Surface Height: 1.250 INCHES NOMINAL IN; Material: ALUMINUM ALLOY OVERALL. 12 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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