PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

177384Bearing,ball,annular

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-227-4003 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-4003 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-4003. Primary manufacturer part number: 177384.
Features
  • Bearing,ball,annular — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Load Direction: RADIAL
  • Standard Tolerance Designation: ABEC NO.1
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Retainer Fabrication Method: PRESSED
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-227-4003, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-227-4003
Primary Part Number177384
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Shield Quantity2
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore Diameter15.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter35.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5365-00-253-9496A782 INTERCHANGEABLE
Plug,machine Thread,magnetic
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5360-00-914-1189661144 INTERCHANGEABLE
Spring,helical,compression
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Cross-Reference Index
Part NumberManufacturer
177384 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
661144 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5365-00-253-9496INTERCHANGEABLE
PLUG,MACHINE THREAD,MAGNETIC
A782
5360-00-914-1189INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
661144

Frequently Asked Questions

What is NSN 3110-00-227-4003?

NSN 3110-00-227-4003 is a Bearing,ball,annular, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-227-4003?

NSN 3110-00-227-4003 has 2 cross-referenced part numbers: 177384 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 661144 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3110-00-227-4003?

There are 2 known substitutes for 3110-00-227-4003: 5365-00-253-9496, 5360-00-914-1189. Verify interchangeability with system specifications before substitution.

What are the specifications of 177384?

Key specifications for 177384: Overall Width: 11.0 MILLIMETERS NOMINAL MM; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Load Direction: RADIAL; Standard Tolerance Designation: ABEC NO.1. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-227-4003 still in active supply?

NSN 3110-00-227-4003 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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