PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M2104ABearing,ball,annular

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3110-00-807-9464 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-807-9464 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-807-9464. Primary manufacturer part number: M2104A.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: LOOSE
  • Standard Tolerance Designation: ABEC NO.1
  • Bore Shape: STRAIGHT
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Bore Diameter: 40.00 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
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 3110-00-807-9464, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 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
NSN3110-00-807-9464
Primary Part NumberM2104A
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Internal Fit-Up DesignationLOOSE
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Bore Diameter40.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Load DirectionRADIAL
Overall Outside Diameter80.00 MILLIMETERS NOMINAL MM
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4810-00-213-689027400 INTERCHANGEABLE
Valve,linear,directional Control
Woodward Hrt Inc
5985-00-252-261823512 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5845-00-321-465627400 INTERCHANGEABLE
Assy,electrical Con
L3harris Technologies, Inc. Div Space and Airborne Systems
5340-00-333-6426H605SK1441 INTERCHANGEABLE
Catch,flush
Hartwell Corporation
1660-00-658-6792900581 INTERCHANGEABLE
Plunger,pressure Co
Mission Systems Orchard Park Inc
5935-00-904-98489157116 INTERCHANGEABLE
Adapter,connector
Us Army Aviation and Missile Command
5961-00-943-7730 INTERCHANGEABLE
Transistor
2590-01-321-8376G620245 INTERCHANGEABLE
Filler Neck,vehicular Components
Lucent Technologies Inc Corporate Headquarters
2840-01-418-575927400 INTERCHANGEABLE
Engine Built-Up Unit,aircraft
Fox Mfg Co Inc
6150-01-571-8580 INTERCHANGEABLE
Cable Assembly,power,electrical
Cross-Reference Index
Part NumberManufacturer
900581 General Motors Corp (USA)
43208L1A General Motors Corp Delco Moraine Ndh Div (USA)
M2104A PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
907446 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
43208L1A General Motors Corp (USA)
43208LR1214A General Motors Corp Delco Moraine Ndh Div (USA)
43208L1A General Motors Llc Dba General Motors Llc (USA)
27400 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
3044406-1 Allis-Chalmers Corp (USA)
1828V74 Rockwell International Corp Industrial Products Group (USA)
1828V74 Meritor Heavy Vehicle Systems, Llc (USA)
1828V74 Meritor Industrial Products, Llc (USA)
16557P11 Taylor Machine Works Inc (USA)
Related Parts
4810-00-213-6890INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
27400
5985-00-252-2618INTERCHANGEABLE
COUPLER,DIRECTIONAL
23512
5845-00-321-4656INTERCHANGEABLE
ASSY,ELECTRICAL CON
27400
5340-00-333-6426INTERCHANGEABLE
CATCH,FLUSH
H605SK1441
1660-00-658-6792INTERCHANGEABLE
PLUNGER,PRESSURE CO
900581
5935-00-904-9848INTERCHANGEABLE
ADAPTER,CONNECTOR
9157116
5961-00-943-7730INTERCHANGEABLE
TRANSISTOR
2590-01-321-8376INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
G620245
2840-01-418-5759INTERCHANGEABLE
ENGINE BUILT-UP UNIT,AIRCRAFT
27400
6150-01-571-8580INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
7045-01-620-4919INTERCHANGEABLE
DISK,NONFLEXIBLE
27400
6110-01-687-6109INTERCHANGEABLE
CONTROLLER,MOTOR
4020-440143-27400

Frequently Asked Questions

What is NSN 3110-00-807-9464?

NSN 3110-00-807-9464 is a Bearing,ball,annular, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-807-9464?

NSN 3110-00-807-9464 has 13 cross-referenced part numbers: 900581 (General Motors Corp), 43208L1A (General Motors Corp Delco Moraine Ndh Div), M2104A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 907446 (Allison Transmission Inc Dba Allison Transmission, Inc), 43208L1A (General Motors Corp) and 8 more.

What NSN replaces 3110-00-807-9464?

There are 12 known substitutes for 3110-00-807-9464: 4810-00-213-6890, 5985-00-252-2618, 5845-00-321-4656 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M2104A?

Key specifications for M2104A: Overall Width: 18.0 MILLIMETERS NOMINAL MM; Internal Fit-Up Designation: LOOSE; Standard Tolerance Designation: ABEC NO.1; Bore Shape: STRAIGHT. 12 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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