PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4303420Housing,antifriction Bearing,air

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-484-0673 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-484-0673 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-484-0673. Primary manufacturer part number: 4303420.
Features
  • Housing,antifriction Bearing,air — FSC 2840
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Housing,antifriction Bearing,air, cataloged under National Stock Number 2840-01-484-0673, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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.

Catalog Facts
Item NameHousing,antifriction Bearing,air
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersKaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-01-484-0673
Primary Part Number4303420
Item NameHousing,antifriction Bearing,air
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-298-7009G205521-5 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
2520-00-393-09071569 INTERCHANGEABLE
Yoke,release Clutch
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
201569 Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
4303420 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5325-00-298-7009INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
G205521-5
2520-00-393-0907INTERCHANGEABLE
YOKE,RELEASE CLUTCH
1569

Frequently Asked Questions

What is NSN 2840-01-484-0673?

NSN 2840-01-484-0673 is a Housing,antifriction Bearing,air, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-484-0673?

NSN 2840-01-484-0673 has 2 cross-referenced part numbers: 201569 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 4303420 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-484-0673?

There are 2 known substitutes for 2840-01-484-0673: 5325-00-298-7009, 2520-00-393-0907. Verify interchangeability with system specifications before substitution.

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