PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

654-1Bearing,ball,annular

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 3110-00-156-6804 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-6804 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-6804. Primary manufacturer part number: 654-1.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 90.00 MILLIMETERS NOMINAL MM
  • Bore Diameter: 30.00 MILLIMETERS NOMINAL MM
  • Load Direction: ANGULAR
  • Contact Angle: 25.0 DEGREES MAXIMUM
  • Retainer Fabrication Method: PRESSED
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • 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 3110-00-156-6804, 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 Corporation Div Epd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-6804
Primary Part Number654-1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Overall Outside Diameter90.00 MILLIMETERS NOMINAL MM
Bore Diameter30.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Contact Angle25.0 DEGREES MAXIMUM
Retainer Fabrication MethodPRESSED
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Bore ShapeSTRAIGHT
Load DirectionANGULAR
MaterialSTEEL OVERALL
Contact Angle25.0 DEGREES MAXIMUM
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL OVERALL
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1640-00-091-41837406 INTERCHANGEABLE
Cable
Triumph Controls, Llc Dba Triumph Controls, Llc
3110-00-142-4314 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-156-8026 INTERCHANGEABLE
Bearing,ball,annular
6150-00-201-5575 INTERCHANGEABLE
Cable Assembly,special Purpose,e
6760-00-213-9701 INTERCHANGEABLE
Sight,bore Motion
5940-00-279-97122040-6 INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
5999-00-323-0314 INTERCHANGEABLE
Delay Line
5120-00-330-50676541 INTERCHANGEABLE
Lifter,sheet Material
Atlantic India Rubber Co Inc
6220-00-337-6471 INTERCHANGEABLE
Stop Light-Taillight,vehicular
5962-00-361-8732 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
20406 General Motors Corp (USA)
20406 General Motors Corp Delco Moraine Ndh Div (USA)
654-1 Toolex, Inc Dba Toolex Inc (USA)
7406 Timken Co Div the Timken Company (USA)
654-1 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
20406 General Motors Llc Dba General Motors Llc (USA)
212-3U Ingersoll Rand Co (USA)
Related Parts
1640-00-091-4183INTERCHANGEABLE
CABLE
7406
3110-00-142-4314INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-156-8026INTERCHANGEABLE
BEARING,BALL,ANNULAR
6150-00-201-5575INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6760-00-213-9701INTERCHANGEABLE
SIGHT,BORE MOTION
5940-00-279-9712INTERCHANGEABLE
TERMINAL,LUG
2040-6
5999-00-323-0314INTERCHANGEABLE
DELAY LINE
5120-00-330-5067INTERCHANGEABLE
LIFTER,SHEET MATERIAL
6541
6220-00-337-6471INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
5962-00-361-8732INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-00-369-7980INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5975-00-372-3735INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
2150

Frequently Asked Questions

What is NSN 3110-00-156-6804?

NSN 3110-00-156-6804 is a Bearing,ball,annular, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-6804?

NSN 3110-00-156-6804 has 7 cross-referenced part numbers: 20406 (General Motors Corp), 20406 (General Motors Corp Delco Moraine Ndh Div), 654-1 (Toolex, Inc Dba Toolex Inc), 7406 (Timken Co Div the Timken Company), 654-1 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 2 more.

What NSN replaces 3110-00-156-6804?

There are 12 known substitutes for 3110-00-156-6804: 1640-00-091-4183, 3110-00-142-4314, 3110-00-156-8026 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 654-1?

Key specifications for 654-1: Overall Outside Diameter: 90.00 MILLIMETERS NOMINAL MM; Bore Diameter: 30.00 MILLIMETERS NOMINAL MM; Load Direction: ANGULAR; Contact Angle: 25.0 DEGREES MAXIMUM. 17 total characteristics are documented in the Federal Logistics Information System.

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