PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3851-56109Retainer Bearing

Leonardo Uk Ltd · NSN 6610-00-453-2534 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-453-2534 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-453-2534. Primary manufacturer part number: A3851-56109.
Features
  • Retainer Bearing — FSC 6610
  • 4 verified cross-references
  • Primary manufacturer: Leonardo Uk Ltd
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Retainer Bearing, cataloged under National Stock Number 6610-00-453-2534, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Leonardo Uk Ltd. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer Bearing
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersLeonardo Uk Ltd (CAGE U6682); Leonardo Mw Ltd (CAGE K0662); Avionics Specialties, Inc. (CAGE 10639); Esuk Aerospace and Simulation Ltd (CAGE K0663)
Technical Specifications
ParameterValue
NSN6610-00-453-2534
Primary Part NumberA3851-56109
Item NameRetainer Bearing
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerLeonardo Uk Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-828-9124 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5905-01-194-1414102-011 INTERCHANGEABLE
Resistor,fixed,wire Wound
Panametrics Llc
Cross-Reference Index
Part NumberManufacturer
A3851-56109 Leonardo Uk Ltd (GBR)
A3851-56109 Leonardo Mw Ltd (GBR)
500-1151 Avionics Specialties, Inc. (USA)
62/56109 Esuk Aerospace and Simulation Ltd (GBR)
Related Parts
5905-00-828-9124INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5905-01-194-1414INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
102-011

Frequently Asked Questions

What is NSN 6610-00-453-2534?

NSN 6610-00-453-2534 is a Retainer Bearing, manufactured by Leonardo Uk Ltd, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-453-2534?

NSN 6610-00-453-2534 has 4 cross-referenced part numbers: A3851-56109 (Leonardo Uk Ltd), A3851-56109 (Leonardo Mw Ltd), 500-1151 (Avionics Specialties, Inc.), 62/56109 (Esuk Aerospace and Simulation Ltd).

What NSN replaces 6610-00-453-2534?

There are 2 known substitutes for 6610-00-453-2534: 5905-00-828-9124, 5905-01-194-1414. Verify interchangeability with system specifications before substitution.

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