PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55689Bushing,sleeve

Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group · NSN 3120-01-178-1879 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-178-1879 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-178-1879. Primary manufacturer part number: 55689.
Features
  • Bushing,sleeve — FSC 3120
  • Body Inside Diameter: 0.2500 INCHES NOMINAL IN
  • Body Outside Diameter: 0.7500 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
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 3120-01-178-1879, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-178-1879
Primary Part Number55689
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
StatusACTIVE
Body Inside Diameter0.2500 INCHES NOMINAL IN
Body Outside Diameter0.7500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-138-112025945 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Setra Systems, Inc. Dba Gems Sensors
6150-00-500-39249B6425 INTERCHANGEABLE
Bus,conductor
Caterpillar Inc Div Caterpillar Defense
5307-00-682-577025945 INTERCHANGEABLE
Stud,stepped
Napco International Llc Dba Napco International Inc
5990-00-686-4499 INTERCHANGEABLE
Synchro,receiver
5905-00-892-0304 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5950-01-015-203855689-1 INTERCHANGEABLE
Coil,radio Frequency
General Dynamics Government Systems Corporation
5998-01-039-170325945 INTERCHANGEABLE
Circuit Card Assembly
Tyco Fire Products Lp
4820-01-215-420255689 INTERCHANGEABLE
Plug,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-01-418-446355689 INTERCHANGEABLE
Switch,thermostatic
Evoqua Water Technologies Llc
4820-01-471-2672 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
55689 PRIMARY Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
25945 Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
4052-12-04 Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
Related Parts
5905-00-138-1120INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
25945
6150-00-500-3924INTERCHANGEABLE
BUS,CONDUCTOR
9B6425
5307-00-682-5770INTERCHANGEABLE
STUD,STEPPED
25945
5990-00-686-4499INTERCHANGEABLE
SYNCHRO,RECEIVER
5905-00-892-0304INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5950-01-015-2038INTERCHANGEABLE
COIL,RADIO FREQUENCY
55689-1
5998-01-039-1703INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
25945
4820-01-215-4202INTERCHANGEABLE
PLUG,VALVE
55689
5930-01-418-4463INTERCHANGEABLE
SWITCH,THERMOSTATIC
55689
4820-01-471-2672INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 3120-01-178-1879?

NSN 3120-01-178-1879 is a Bushing,sleeve, manufactured by Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-178-1879?

NSN 3120-01-178-1879 has 3 cross-referenced part numbers: 55689 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group), 25945 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp), 4052-12-04 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group).

What NSN replaces 3120-01-178-1879?

There are 10 known substitutes for 3120-01-178-1879: 5905-00-138-1120, 6150-00-500-3924, 5307-00-682-5770 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55689?

Key specifications for 55689: Body Inside Diameter: 0.2500 INCHES NOMINAL IN; Body Outside Diameter: 0.7500 INCHES NOMINAL IN. 2 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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