PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20401Bushing Pump Shaft

Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp · NSN 3120-00-375-2877 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-375-2877 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-375-2877. Primary manufacturer part number: 20401.
Features
  • Bushing Pump Shaft — FSC 3120
  • 5 verified cross-references
  • Primary manufacturer: Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Bushing Pump Shaft, cataloged under National Stock Number 3120-00-375-2877, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameBushing Pump Shaft
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersEco Pump Corp Pulsafeeder Div Sub of Interpace Corp (CAGE 72075); Smiths Detection Inc. Dba Smiths Detection Inc Casc (CAGE 23667); Universal Motors-Oshkosh a Div of Medalist Industries Inc (CAGE 62242); Energy Services Group Div of Cooper Industries Inc (CAGE 43952)
Technical Specifications
ParameterValue
NSN3120-00-375-2877
Primary Part Number20401
Item NameBushing Pump Shaft
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerEco Pump Corp Pulsafeeder Div Sub of Interpace Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-156-67907405C1TX9 INTERCHANGEABLE
Bearing,ball,annular
Nsk Corp Bearing Div
3110-00-198-262614256P11 INTERCHANGEABLE
Bearing,roller,self-Aligning
Taylor Machine Works Inc
5961-00-467-1782 INTERCHANGEABLE
Semiconductor Devices,unitized
5940-00-518-79801226979-1 INTERCHANGEABLE
Terminal,stud
Honeywell Intl Inc Defense Avionics Systems
5310-00-550-275120405 INTERCHANGEABLE
Washer,key
Parker-Hannifin Corporation Dba Control Systems Division
5310-00-595-761620405 INTERCHANGEABLE
Washer,keyway
Safran Power Usa Llc
5950-00-645-510020401 INTERCHANGEABLE
Transformer,power
Magnetika Inc Div Magnetika/phillipsburg Location
1660-00-656-877220401 INTERCHANGEABLE
Oxygen System,aircraft Survival
Avox Systems Inc Dba Avox Systems Inc
3130-00-838-5260SAF22513 INTERCHANGEABLE
Bearing Unit,roller
Skf Usa Inc.
5962-01-034-5184SNJ55121J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
20401 Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp (USA)
1131787-8 Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
20405 Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp (USA)
287151 Universal Motors-Oshkosh a Div of Medalist Industries Inc (USA)
22021561 Energy Services Group Div of Cooper Industries Inc (USA)
Related Parts
3110-00-156-6790INTERCHANGEABLE
BEARING,BALL,ANNULAR
7405C1TX9
3110-00-198-2626INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
14256P11
5961-00-467-1782INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5940-00-518-7980INTERCHANGEABLE
TERMINAL,STUD
1226979-1
5310-00-550-2751INTERCHANGEABLE
WASHER,KEY
20405
5310-00-595-7616INTERCHANGEABLE
WASHER,KEYWAY
20405
5950-00-645-5100INTERCHANGEABLE
TRANSFORMER,POWER
20401
1660-00-656-8772INTERCHANGEABLE
OXYGEN SYSTEM,AIRCRAFT SURVIVAL
20401
3130-00-838-5260INTERCHANGEABLE
BEARING UNIT,ROLLER
SAF22513
5962-01-034-5184INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNJ55121J
5975-01-055-5160INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5032
5975-01-055-5161INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5040

Frequently Asked Questions

What is NSN 3120-00-375-2877?

NSN 3120-00-375-2877 is a Bushing Pump Shaft, manufactured by Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-375-2877?

NSN 3120-00-375-2877 has 5 cross-referenced part numbers: 20401 (Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp), 1131787-8 (Smiths Detection Inc. Dba Smiths Detection Inc Casc), 20405 (Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp), 287151 (Universal Motors-Oshkosh a Div of Medalist Industries Inc), 22021561 (Energy Services Group Div of Cooper Industries Inc).

What NSN replaces 3120-00-375-2877?

There are 12 known substitutes for 3120-00-375-2877: 3110-00-156-6790, 3110-00-198-2626, 5961-00-467-1782 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 3120-00-375-2877 still in active supply?

NSN 3120-00-375-2877 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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