PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21721Bushing,sleeve

Kohler Co Div Plumbing Div · NSN 3120-01-266-8500 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-266-8500 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-266-8500. Primary manufacturer part number: 21721.
Features
  • Bushing,sleeve — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: Kohler Co Div Plumbing Div
Applications
  • Industrial machinery bearing replacement
  • Motor and pump shaft assemblies
  • HVAC blower and fan assemblies
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-266-8500, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Kohler Co Div Plumbing Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBushing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersKohler Co Div Plumbing Div (CAGE 52844)
Technical Specifications
ParameterValue
NSN3120-01-266-8500
Primary Part Number21721
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerKohler Co Div Plumbing Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1650-00-757-5080723228 INTERCHANGEABLE
Plate,seal
Hamilton Sundstrand Corporation
2040-00-841-8823 INTERCHANGEABLE
Parts Kit
1377-00-872-57002172-1 INTERCHANGEABLE
Head Assy,safety
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
3455-01-047-428529997 INTERCHANGEABLE
Reamer,machine
Kennametal Inc. Div Kennametal Industrial Products Group
5998-01-074-2503 INTERCHANGEABLE
Circuit Card Assembly
5307-01-229-626121721 INTERCHANGEABLE
Stud,plain
Industrial Technologies and Services Llc
1680-01-492-479021721 INTERCHANGEABLE
Flange Mounting
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
2930-01-566-77856038409 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Am General Llc
5930-01-633-487521721 INTERCHANGEABLE
Guard,switch
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
21721 Kohler Co Div Plumbing Div (USA)
Related Parts
1650-00-757-5080INTERCHANGEABLE
PLATE,SEAL
723228
2040-00-841-8823INTERCHANGEABLE
PARTS KIT
1377-00-872-5700INTERCHANGEABLE
HEAD ASSY,SAFETY
2172-1
3455-01-047-4285INTERCHANGEABLE
REAMER,MACHINE
29997
5998-01-074-2503INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5307-01-229-6261INTERCHANGEABLE
STUD,PLAIN
21721
1680-01-492-4790INTERCHANGEABLE
FLANGE MOUNTING
21721
2930-01-566-7785INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
6038409
5930-01-633-4875INTERCHANGEABLE
GUARD,SWITCH
21721

Frequently Asked Questions

What is NSN 3120-01-266-8500?

NSN 3120-01-266-8500 is a Bushing,sleeve, manufactured by Kohler Co Div Plumbing Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-266-8500?

NSN 3120-01-266-8500 has 1 cross-referenced part number: 21721 (Kohler Co Div Plumbing Div).

What NSN replaces 3120-01-266-8500?

There are 9 known substitutes for 3120-01-266-8500: 1650-00-757-5080, 2040-00-841-8823, 1377-00-872-5700 and 6 more. Verify interchangeability with system specifications before substitution.

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