PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104971Bearing,ball,annular

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 3110-01-315-2031 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-315-2031 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-315-2031. Primary manufacturer part number: 104971.
Features
  • Bearing,ball,annular — FSC 3110
  • 5 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-315-2031, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameBearing,ball,annular
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3); Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (CAGE 0BR59); Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (CAGE 82328)
Technical Specifications
ParameterValue
NSN3110-01-315-2031
Primary Part Number104971
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-227-287420NBK2040YZP INTERCHANGEABLE
Bearing,roller,needle
Anti-Friction Bearing Mfg Assn Inc the
5995-00-400-3160104971 INTERCHANGEABLE
Cable Assembly,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4730-00-433-337555284 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4820-00-602-316250420 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5310-00-838-1702 INTERCHANGEABLE
Nut,plain,hexagon
2930-00-905-59528420 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
3040-01-249-316510497-1 INTERCHANGEABLE
Shaft,arm Rest
Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co
7021-01-392-6209 INTERCHANGEABLE
Computer,digital
5331-01-687-990750420 INTERCHANGEABLE
O-Ring
Mistral Inc
4820-01-720-6998104971 INTERCHANGEABLE
Valve,safety Relief
Market Forge Industries Inc
Cross-Reference Index
Part NumberManufacturer
104971 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
T104971 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
50420 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
50420 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
104971 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
Related Parts
3110-00-227-2874INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
20NBK2040YZP
5995-00-400-3160INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
104971
4730-00-433-3375INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
55284
4820-00-602-3162INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
50420
5310-00-838-1702INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2930-00-905-5952INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8420
3040-01-249-3165INTERCHANGEABLE
SHAFT,ARM REST
10497-1
7021-01-392-6209INTERCHANGEABLE
COMPUTER,DIGITAL
5331-01-687-9907INTERCHANGEABLE
O-RING
50420
4820-01-720-6998INTERCHANGEABLE
VALVE,SAFETY RELIEF
104971

Frequently Asked Questions

What is NSN 3110-01-315-2031?

NSN 3110-01-315-2031 is a Bearing,ball,annular, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-01-315-2031?

NSN 3110-01-315-2031 has 5 cross-referenced part numbers: 104971 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), T104971 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 50420 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 50420 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 104971 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand).

What NSN replaces 3110-01-315-2031?

There are 10 known substitutes for 3110-01-315-2031: 3110-00-227-2874, 5995-00-400-3160, 4730-00-433-3375 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 3110-01-315-2031 still in active supply?

NSN 3110-01-315-2031 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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