PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KMDB8-15Bearing,plain,self-Aligning

Sargent Aerospace & Defense, Llc Dba Kahr Bearings · NSN 3120-01-040-4864 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-040-4864 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-040-4864. Primary manufacturer part number: KMDB8-15.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • 4 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Kahr Bearings
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-040-4864, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Kahr Bearings. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameBearing,plain,self-Aligning
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersSargent Aerospace & Defense, Llc Dba Kahr Bearings (CAGE 97613); Rexnord Industries, Llc Div Aerosspace Bearing Operation (CAGE 77896); Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (CAGE 09455); New Hampshire Ball Bearings Inc Div Precision Division (CAGE 50294)
Technical Specifications
ParameterValue
NSN3120-01-040-4864
Primary Part NumberKMDB8-15
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Kahr Bearings
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5940-00-204-546156104 INTERCHANGEABLE
Terminal Board
L3 Aviation Products, Inc. Dba L3 Technologies
2805-00-353-593170524C1 INTERCHANGEABLE
Deflector,airflow
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5310-00-468-1214302-0644-020 INTERCHANGEABLE
Washer,flat
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-00-470-290256-104 INTERCHANGEABLE
Transformer,power
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
4730-01-037-1374500104 INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
5985-01-553-739656104 INTERCHANGEABLE
Mast
Aerovironment, Inc. Dba Aerovironment Inc
5315-01-598-091356104 INTERCHANGEABLE
Pin,straight,headed
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
KMDB8-15 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
94-0004-08 Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
56104 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
HSTS8V-101 New Hampshire Ball Bearings Inc Div Precision Division (USA)
Related Parts
5940-00-204-5461INTERCHANGEABLE
TERMINAL BOARD
56104
2805-00-353-5931INTERCHANGEABLE
DEFLECTOR,AIRFLOW
70524C1
5310-00-468-1214INTERCHANGEABLE
WASHER,FLAT
302-0644-020
5950-00-470-2902INTERCHANGEABLE
TRANSFORMER,POWER
56-104
4730-01-037-1374INTERCHANGEABLE
CLAMP,HOSE
500104
5985-01-553-7396INTERCHANGEABLE
MAST
56104
5315-01-598-0913INTERCHANGEABLE
PIN,STRAIGHT,HEADED
56104

Frequently Asked Questions

What is NSN 3120-01-040-4864?

NSN 3120-01-040-4864 is a Bearing,plain,self-Aligning, manufactured by Sargent Aerospace & Defense, Llc Dba Kahr Bearings, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-01-040-4864?

NSN 3120-01-040-4864 has 4 cross-referenced part numbers: KMDB8-15 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), 94-0004-08 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 56104 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), HSTS8V-101 (New Hampshire Ball Bearings Inc Div Precision Division).

What NSN replaces 3120-01-040-4864?

There are 7 known substitutes for 3120-01-040-4864: 5940-00-204-5461, 2805-00-353-5931, 5310-00-468-1214 and 4 more. Verify interchangeability with system specifications before substitution.

Is NSN 3120-01-040-4864 still in active supply?

NSN 3120-01-040-4864 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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