PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4-176Retainer,bearing,fr

Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division · NSN 1680-00-449-1219 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-449-1219 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-449-1219. Primary manufacturer part number: A4-176.
Features
  • Retainer,bearing,fr — FSC 1680
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Retainer,bearing,fr, cataloged under National Stock Number 1680-00-449-1219, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,bearing,fr
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersEaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (CAGE 17472); Eaton Motor Site (CAGE 72121)
Technical Specifications
ParameterValue
NSN1680-00-449-1219
Primary Part NumberA4-176
Item NameRetainer,bearing,fr
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5835-00-543-0282 INTERCHANGEABLE
Reel,magnetic Recording Tape
Cross-Reference Index
Part NumberManufacturer
A4-176 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
A4-176 Eaton Motor Site (USA)
Related Parts
5835-00-543-0282INTERCHANGEABLE
REEL,MAGNETIC RECORDING TAPE

Frequently Asked Questions

What is NSN 1680-00-449-1219?

NSN 1680-00-449-1219 is a Retainer,bearing,fr, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-449-1219?

NSN 1680-00-449-1219 has 2 cross-referenced part numbers: A4-176 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division), A4-176 (Eaton Motor Site).

What NSN replaces 1680-00-449-1219?

There is 1 known substitute for 1680-00-449-1219: 5835-00-543-0282. Verify interchangeability with system specifications before substitution.

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